LOL Ooooor Not! Mr. Tarroeu, I love how there's always one literal moment in each of your videos that gets me laughing. 90% of the time it's during your transitions, I love it..
THANK YOU @GhostWorld it's always nice to see that you are still watching this channel, taking the time to comment and it's ALWAYS great to hear that I continue to entertain as I teach...BAM!!!
@@profrobbob BAM! To you too Professor! Hoping to get my head around derivatives, and differentiation so I can move onto Integrals soon...loving calc! How you ever though about doing a physics class? The more kinematics/calc type of physics?
I learned the chain rule yesterday and had NO clue as to what the teacher was doing. This video saved me. Thank you so much!!! I wish you taught at my school.
+Sharon Nguyen you're welcome, thanks for taking the time to find help on YT and choosing my channel to learn from and sub to! Sounds like you should tell your teacher and the rest of your class about my channel as an "additional study reference" and remind them to like, subscribe, support the ads and share these free educational channels to help us grow and remain free:D ...that would be almost like teaching there:)
+Jonathan George and I need about 12,000 more subscribers like you to reach our goal of 100,000 subscribers this year...BAM!!! Can you help us out with that?! Thanks for watching, liking, subbing and taking the time to share your appreciation for this channel...we really do appreciate the comments and support!
OMGoodness Shane, Mrs T here..you sure know how to pull at my heart and then end it with a smile:) Rob and I so enjoy all your updates. You know this means if your boys are going to watch my videos later you will have to be the ones to reach them how to read cursive writing:)…as for the moving part, we have to be here at least 2 more years for Rob to have 20 years in the school system…but we'll let you know if anything changes:D
ShamamalamaSama lol and thanks for taking the time to like, sub and learn from my channel:) Please share with all your friends and tell them to do the same to keep these and other educational channels growing and remain free for everyone:D
my son just said,"does mr. Tarrou help with 3rd grade math?" I suddenly realized that these videos will be here for ever. Chances are, my son's will be watching your videos as well. How cool is that?!! Thank you for all your hard work sir, You are appreciated. I still think you should move in with us, my wife is a great cook. You could teach all of us mathmatics. BAMM, have a great day.
Cant thank you enough for your videos, patience, and excellent handwriting! Last math class for my BS in Biology and prob wouldnt be able to get through it without your vidoes!! My professor doesnt explain anything not even what a derivative was! Its great to see people who just want to help others and for free ! Your the best!!
Your complimentary comment is thanks enough Erica Lobuglio ! And if you had not taken the time to find additional help I would not have been able to help...so thanks for choosing #ProfRobBob to learn from and I hope your future is everything you dreamed of :) Please continue to share my channel with others whenever you get the chance...remind them to like, subscribe, support the ads and spread the word to help us keep growing, helping others and remain free:D Thanks again:)
You are not alone. Most of the professors should not be paid because they do not deserve the salary !! They basically have a bureaucratic mind set , kind of monopoly !!
my son just said,"does mr. Tarrou help with 3rd grade math?" I suddenly realized that these videos will be here forever. Chances are, my son's will be watching your videos as well. How cool is that?!! Thank you for all your hard work sir, You are appreciated. I still think you should move in with us, my wife is a great cook. You could teach all of us mathmatics. BAMM, have a great day.
Man everyday i go to class and listen and pay attention during lecture and look at the examples that my teacher gives and i'm just lost, while even other students seem to get it and know what the teachers doing. Then i come home and watch the same lecture from you and i get it so much better! I don't know where i would be without Mr Tarrou!
At least you go to class and make the effort to learn, sometimes it just takes learning it a bit differently, we all have our own teaching style. I'm glad I can be here for you, and all the other students like you, who invest the time to study and take their education seriously! Thanks for always reminding us why we continue to invest the time we do into the growth of this channel!!! (sorry I missed that t table question...hope you figured it out:)
one word to describe you... Legend !!!!!!!!!!! i an gonna pass in my calculus test just bcoz of u. You also make me realize how wierd my physics professor is
Not yet...but I might be convinced when I see that "M" next to my subscriber count! So please keep sharing on social media, with friends and everyone who needs FREE math help...it sounds like you need to share my channel with the rest of your class too:D
Don't keep it a secret or wait for the movie...please like, subscribe and share my "Superhero" powers and my channel with EVERYONE in everyday you can...BAM!!!
You can use the product rule if you like, but like you said at the end of your comment, sin(4) is a constant. The derivative of a constant is zero, so you don't need to use the product rule.
I get sick really easily and was absent the day they taught this in school. Thank you so much for these videos, I would be entirely lost without them!!
THANK YOU Racheal...so nice to hear that you are fining this channel so helpful...BAM!!! I hope you have shared this free study resource with your teacher too so ALL current and future students can take advantage if they choose:)
Thanks so much man you have no idea the amount of stress i have gone through from this semester of math( i think i even have the beginnings of an stomach ulcer) and these videos are really help me to grasp the concepts thanks so much!
I see that the problem at 7:38 contains two functions multiplied together; sin(4) by X^3, should we use the product rule instead? Why we should treat sin(4) as a constant? or you think we should treat it as a function only if the angle was unknown (as in sin(x))? I know that sin(4) will be eventually evaluated as a constant though: sin(4)=0.069
@@2centzincorporated658 Thanks for watching and subbing! Sending greetings from Florida and hoping that you will continue to spread the word about this channel, remind everyone to like, sub, share thru social medias , with classmates and especially teachers so ALL students know where to find free after class help...BAM!!!
BAM!!! Thanks for studying and subbing...please share my channel and your experience with the rest of your class and teachers as an additional study reference:D We keep growing and the world keeps learning:)
thank you so much. I missed a day of school and didn't learn this at all. But just from watching this video once I got a 100%! Thank you for helping me get up to a B in my class! :D
You are so welcome. Congratulations and THANKS for taking the time to seek outside help, choosing this channel and studying...that's the kind of self-motivation that will put that diploma in your hand...BAM!!! It also sounds like the perfect time to share your experience and my channel with your teacher so ALL current and future students can take advantage of this free study reference:D
...and I'm so glad you search for help on TH-cam and found my videos! Now that you've subscribed I hope you'll return whenever you need more help. You'll find complete playlists on my homepage...sounds like you should share my channel with your class too:)
CONGRATS on Dean's list...and I call that "teamwork"! Thanks for studying and subbing to this channel and please share your success and my channel with all your classmates and teachers so the whole school might benefit as well:D
at 8:00 you explain y=(sin4)x^3. I read that as sin(4) times x^3 so i thought we had to use product rule. any way i can differentiate between these scenarios?
I have all my Calculus lessons organized here for Calc 1 and a good portion of Calculus 2, www.profrobbob.com/calculus and www.profrobbob.com/calculus-2
Thank you so so soo much professor !!! Loved your explanation and it really helped me a great deal. And yeah, I have subscribed to your channel and hope it grows bigger and reaches more people!!! 😊😀✌👍
THANK YOU zeenat for taking the time to sub and send your appreciation and good wishes to us!..Don't forget to share this resource thru all social medias too...especially during these times of learning from home ...BAM!!!
Kayla Richmond thanks! If you need a break from math I have a few videos on my cursive too:) Please like, sub and share if you find this channel helpful:D
And THANK YOU for the show of support by liking and subscribing! Funny, I thought this was from my wife because she uses this same pic sometimes...her nickname is "Queenie" and she has red hair:)
Nicole Armstrong 6x came from taking the derivative of 3x^2-1. The derivative of -1 is 0. The derivative of 3x^2 is 6x and we were taking the derivative of an exponential function x^2 here where the inside function is simply x...of which the derivative is 1. There is no need for another iteration of the chain rule. The d/dx(3x^2)=6x^1(d/dx(x))=6x*1=6x.
Areean Kwon thanks for watching! I hope you will return and next time please like, subscribe, support the ads and share my channel with others to help us keep growing:D
In the first example of the second set you did which was y=sin4(x), you said that sin4 was a constant so why isn't the derivative of that 0? I thought the derivative of constants were 0! Help will be very appreciated!
+Nataly Quinn anytime 24/7, whenever you feel like watching another video...lol ...you're welcome and THANK YOU for taking the time to study and learn from Tarrou's Chalk Talk!
I am redoing the homework in the book I am going to be teaching out of next year and I am just starting the chapter 4 homework. I will need to working into chapter 5 before getting into derivatives of logarithms. It is going to be about 3 weeks before I will get there. Sorry
Hi, just wanted to say thank you. Your videos are great, and you make math seem fun too haha. I'm not really a person who likes teachers, but I actually like people like you. Liked and subscribed :)
You're welcome Joel16 ! Sounds like I might have a new ProfRobBob Backer as a subscriber...BAM!!! Don't stop there...please share my channel with all your friends and classmates and tell them to watch and subscribe and Like me on Facebook and then tell all their friends to do the same...and then I'll soon have a million subscribers like Khan Academy:D
Daniel Mercado sin(4) is a coefficient. It is like taking the derivative of 3x^4 which is 12x^3. The three just sits out front waiting to be multiplied by four.
Thank you for this helpful video! Though, as far as I know cos(4x)^3 is taken to mean the same thing as cos^3(4x). It would have to be written as either cos(64x^3) as in the video, or with double parenthesis cos((4x)^3)
Hey ! Thank you so so so much for your help ! Thanks to you I managed to get an unbelievably high mark on my calculus final ! Really couldn't have done it without you and other online math experts. Please keep the videos coming , you are doing a phenomenal job. Cheers, From a really satisfied student. ps: Subscribed (:
That calls for a giant BAM!!! shaz009 Thanks for taking the time to "thank the teacher" and put all the extra study time in to "make the grade" and to subscribe and support #ProfRobBob ! I'll keep making videos as long as you keep spreading the word:D
lmfao. "Okay! lets move on with more examples........! Or not......!!!" Had me dying. idk why. You illustrate great examples, and this video was a great refreshment, before I take Calculus 2 in the spring. Thanx
Don't be sad, you found this channel to study with now:) Next step is to share it with ALL the students you know in Chicago...BAM!!! Since this is your second comment:)
LOL Ooooor Not! Mr. Tarroeu, I love how there's always one literal moment in each of your videos that gets me laughing. 90% of the time it's during your transitions, I love it..
THANK YOU @GhostWorld it's always nice to see that you are still watching this channel, taking the time to comment and it's ALWAYS great to hear that I continue to entertain as I teach...BAM!!!
@@profrobbob BAM! To you too Professor! Hoping to get my head around derivatives, and differentiation so I can move onto Integrals soon...loving calc! How you ever though about doing a physics class? The more kinematics/calc type of physics?
I learned the chain rule yesterday and had NO clue as to what the teacher was doing. This video saved me. Thank you so much!!! I wish you taught at my school.
+Sharon Nguyen you're welcome, thanks for taking the time to find help on YT and choosing my channel to learn from and sub to! Sounds like you should tell your teacher and the rest of your class about my channel as an "additional study reference" and remind them to like, subscribe, support the ads and share these free educational channels to help us grow and remain free:D ...that would be almost like teaching there:)
You are the man! Your lessons rock, and you do everything with such positive energy and passion! The world needs more teachers like you.
+Jonathan George and I need about 12,000 more subscribers like you to reach our goal of 100,000 subscribers this year...BAM!!!
Can you help us out with that?!
Thanks for watching, liking, subbing and taking the time to share your appreciation for this channel...we really do appreciate the comments and support!
I love it! Reviewing my math here and this is so easy to watch. great job!
+jack002tuber thanks for liking and subbing we are still 8,000 subscribers short of our goal...start tweeting please:D
Let the tweeting begin! Lim X->0 of F(x) Tweet X.
+jack002tuber BAM!!! Thanks for the help...not there yet but getting closer:(
Thank you...and thanks for watching!
OMGoodness Shane, Mrs T here..you sure know how to pull at my heart and then end it with a smile:) Rob and I so enjoy all your updates. You know this means if your boys are going to watch my videos later you will have to be the ones to reach them how to read cursive writing:)…as for the moving part, we have to be here at least 2 more years for Rob to have 20 years in the school system…but we'll let you know if anything changes:D
THANK YOU for saying so and for taking the time to watch a video and send a comment!
Professor Rob Bob is my absolute favorite online resource! I always watch these videos over other videos. Thanks so much
thanks for tuning indent forget to sub and share, share, share :D
"....or not!!!!" I love it how you manage to integrate some humor into otherwise bland math problems. Thanks for making math interesting!
ShamamalamaSama lol and thanks for taking the time to like, sub and learn from my channel:)
Please share with all your friends and tell them to do the same to keep these and other educational channels growing and remain free for everyone:D
Glad you think so and you are welcome!...Thanks for watching and helping my channel grow. Be sure to share my channel with your friends, thanks:D
my son just said,"does mr. Tarrou help with 3rd grade math?" I suddenly realized that these videos will be here for ever. Chances are, my son's will be watching your videos as well. How cool is that?!! Thank you for all your hard work sir, You are appreciated. I still think you should move in with us, my wife is a great cook. You could teach all of us mathmatics. BAMM, have a great day.
I simply love how you write the trig functions on the side in that manner. It is a reminder of what we will have to do.
Cant thank you enough for your videos, patience, and excellent handwriting! Last math class for my BS in Biology and prob wouldnt be able to get through it without your vidoes!! My professor doesnt explain anything not even what a derivative was! Its great to see people who just want to help others and for free ! Your the best!!
Your complimentary comment is thanks enough Erica Lobuglio ! And if you had not taken the time to find additional help I would not have been able to help...so thanks for choosing #ProfRobBob to learn from and I hope your future is everything you dreamed of :)
Please continue to share my channel with others whenever you get the chance...remind them to like, subscribe, support the ads and spread the word to help us keep growing, helping others and remain free:D Thanks again:)
You are not alone. Most of the professors should not be paid because they do not deserve the salary !! They basically have a bureaucratic mind set , kind of monopoly !!
You're welcome. Thanks for choosing my channel and I'm glad this was helpful for you...my explanations are certainly far from mandarin:)
I just discovered this very awesome channel today. Thank you so muuuch
You are sooooo welcome, thanks for watching...please take the time to subscribe and share this "very awesome channel" with EVERYONE...BAM!!!
my son just said,"does mr. Tarrou help with 3rd grade math?" I suddenly realized that these videos will be here forever. Chances are, my son's will be watching your videos as well. How cool is that?!! Thank you for all your hard work sir, You are appreciated. I still think you should move in with us, my wife is a great cook. You could teach all of us mathmatics. BAMM, have a great day.
Thanks for choosing my videos and please share it with others:D
Man everyday i go to class and listen and pay attention during lecture and look at the examples that my teacher gives and i'm just lost, while even other students seem to get it and know what the teachers doing. Then i come home and watch the same lecture from you and i get it so much better! I don't know where i would be without Mr Tarrou!
At least you go to class and make the effort to learn, sometimes it just takes learning it a bit differently, we all have our own teaching style. I'm glad I can be here for you, and all the other students like you, who invest the time to study and take their education seriously! Thanks for always reminding us why we continue to invest the time we do into the growth of this channel!!!
(sorry I missed that t table question...hope you figured it out:)
i love ur energy ur videos are very helpful
keep going
Thanks for watching and please like, sub and keep sharing this channel with everyone...BAM!!!
Ahhhh:) Thank you for watching!!!
Appreciate the support!!!
great job explaining and great examples! you should put a link for the more advanced chain rule examples in the description! thanks!
You are very welcome. I hope you do great on your quiz!!!
one word to describe you... Legend !!!!!!!!!!! i an gonna pass in my calculus test just bcoz of u. You also make me realize how wierd my physics professor is
Not yet...but I might be convinced when I see that "M" next to my subscriber count! So please keep sharing on social media, with friends and everyone who needs FREE math help...it sounds like you need to share my channel with the rest of your class too:D
Thank you for watching and I hope you will continue to watch and learn from my channel:)
It is Close Caption Wednesday!!! #math
ProfRobBob whens hump day?
TODAY :)
lol...it only took a momentary day off!
Lol is it today
Thanks to you I might not end up failing Calc again... you're the best!!
Thanks for taking the time to study and share your appreciation...spread the word:D
You are the new superhero of 21st
Don't keep it a secret or wait for the movie...please like, subscribe and share my "Superhero" powers and my channel with EVERYONE in everyday you can...BAM!!!
This man is a god.
I don't know about that but a like, sub and some shares would be appreciated...BAM!!!
Thanks for watching and learning!
You can use the product rule if you like, but like you said at the end of your comment, sin(4) is a constant. The derivative of a constant is zero, so you don't need to use the product rule.
These math videos are top notch, seriously.
Thanks for watching!
I get sick really easily and was absent the day they taught this in school. Thank you so much for these videos, I would be entirely lost without them!!
You are very welcome and thanks for studying and subbing to this channel!
Please keep sharing whenever you can:D
Thanks for taking time out for a little math help:)
RobBob you are too good. You always make me understand math
THANK YOU Racheal...so nice to hear that you are fining this channel so helpful...BAM!!!
I hope you have shared this free study resource with your teacher too so ALL current and future students can take advantage if they choose:)
yes please. i have. Thank you soo much
THANKS!
Thanks...I learned calligraphy years ago and one of the simply styles just stuck with me:)
Thanks so much man you have no idea the amount of stress i have gone through from this semester of math( i think i even have the beginnings of an stomach ulcer) and these videos are really help me to grasp the concepts thanks so much!
Thank you very much fur subbing. The dust can get into the electronics.i had white boards for a while and learned to hate them.
You are very welcome:) 4m cebu phil?
I see that the problem at 7:38 contains two functions multiplied together; sin(4) by X^3, should we use the product rule instead? Why we should treat sin(4) as a constant? or you think we should treat it as a function only if the angle was unknown (as in sin(x))? I know that sin(4) will be eventually evaluated as a constant though: sin(4)=0.069
You makes me understand calc so much better!!!!! Tanks!!!!!
+Annie Huang thanks for watching!
thanks for the help! you definitely explain this material in a very clear manner! you are the man with the plan!
you're welcome, thanks for liking and learning...please sub and share too:D
I hope you will continue to watch even when you don't miss class:)...please share my channel with your friends too!
You are a lifesaver, excellent videos!
rambunctious ralph thanks!Hope you will return and these lessons will earn us a new subscriber too:)
Thankyou for your time Prof Rob Bob!!!
Thank you or watching and your nice comment😄👨🏫. If people like you did not choose my videos to learn from, all my effort would be pointless!!!
@@profrobbob Im watching these vids from Australia!! Bam!! currently taking calc 1!! the trig chain rule vid is super helpful!! keep up the good work.
@@2centzincorporated658 Thanks for watching and subbing!
Sending greetings from Florida and hoping that you will continue to spread the word about this channel, remind everyone to like, sub, share thru social medias , with classmates and especially teachers so ALL students know where to find free after class help...BAM!!!
Who needs a math teacher when we have you. Honestly you are amazing👏🏼👏🏼👏🏼. Your videos are clear and easy to understand. Thank you soo much 💖💖
BAM!!!
Thanks for studying and subbing...please share my channel and your experience with the rest of your class and teachers as an additional study reference:D
We keep growing and the world keeps learning:)
thank you so much. I missed a day of school and didn't learn this at all. But just from watching this video once I got a 100%! Thank you for helping me get up to a B in my class! :D
You are so welcome. Congratulations and THANKS for taking the time to seek outside help, choosing this channel and studying...that's the kind of self-motivation that will put that diploma in your hand...BAM!!!
It also sounds like the perfect time to share your experience and my channel with your teacher so ALL current and future students can take advantage of this free study reference:D
Learned a lot. Watching this from the Philippines!! :D
Katrina Lomotan welcome to my Florida math class and thanks for choosing #ProfRobBob to learn from!
can you make a video on derivatives of logarithms
I am so glad you covered this! my teacher is fast and I couldnt keep up this helped a lot! thanks for the up!
...and I'm so glad you search for help on TH-cam and found my videos!
Now that you've subscribed I hope you'll return whenever you need more help. You'll find complete playlists on my homepage...sounds like you should share my channel with your class too:)
Do you have a video of the quotient rule with Trigonometric Functions?? I am very confused about a particular problem...
Thank u so much professor! . Your explanations are wonderful!
...watching more videos I see...thanks for the continued support!
Everything makes sense now thanks ProfRobBob
heyjay820 BAM!!
...your welcome:)
the best teacher ever
+Amran Alzaidi BAM!!!
...and thanks for saying so:)
Man, tnx to you, I just aced my exam and I'm still running for Dean's List in our College of Engineering :)
CONGRATS on Dean's list...and I call that "teamwork"!
Thanks for studying and subbing to this channel and please share your success and my channel with all your classmates and teachers so the whole school might benefit as well:D
at 8:00 you explain y=(sin4)x^3. I read that as sin(4) times x^3 so i thought we had to use product rule. any way i can differentiate between these scenarios?
The way you teach it Step by Step!!!!
Hope to see more Problems
I have all my Calculus lessons organized here for Calc 1 and a good portion of Calculus 2, www.profrobbob.com/calculus and www.profrobbob.com/calculus-2
This helped me so much!! THANK YOU!!!
You're welcome Andrea Baumgartel and thanks for choosing #ProfRobBob to learn from:)
Thank you so so soo much professor !!! Loved your explanation and it really helped me a great deal.
And yeah, I have subscribed to your channel and hope it grows bigger and reaches more people!!! 😊😀✌👍
THANK YOU zeenat for taking the time to sub and send your appreciation and good wishes to us!..Don't forget to share this resource thru all social medias too...especially during these times of learning from home ...BAM!!!
Your penmanship is lovely. :)
Kayla Richmond thanks!
If you need a break from math I have a few videos on my cursive too:)
Please like, sub and share if you find this channel helpful:D
And THANK YOU for the show of support by liking and subscribing!
Funny, I thought this was from my wife because she uses this same pic sometimes...her nickname is "Queenie" and she has red hair:)
oh wow this really helped. i missed class today and i'm totallly up to speed lol. good work
Thank you...and yes I should. I am going to do that right now:)
For the first equation in the second part of the three questions that look similar to each other why isn't it product rule?
for the y=sec(3x^2-1), why don't you continue with the chain rule for the 6x and multiply by six at the end?
Nicole Armstrong 6x came from taking the derivative of 3x^2-1. The derivative of -1 is 0. The derivative of 3x^2 is 6x and we were taking the derivative of an exponential function x^2 here where the inside function is simply x...of which the derivative is 1. There is no need for another iteration of the chain rule. The d/dx(3x^2)=6x^1(d/dx(x))=6x*1=6x.
you are absolutely awesome! I learned a lot. Thanks for this :)
Areean Kwon thanks for watching!
I hope you will return and next time please like, subscribe, support the ads and share my channel with others to help us keep growing:D
Thank you very much! Very well explained and organized!
thank you, this was really helpful
...and thanks for liking, studying and subbing!
Thank you ProfRoBob
You're welcome Murat!
I love the way u teach...👍
+Gautam Thapa thanks!
In the first example of the second set you did which was y=sin4(x), you said that sin4 was a constant so why isn't the derivative of that 0? I thought the derivative of constants were 0! Help will be very appreciated!
Because the sin4 is a coefficient, not just a stand alone term. Example: if f(x)=3x^2, then f'(x)=6x...not 0.
can you be my teacher please
thank you so much for teaching me when i need you!
+Nataly Quinn anytime 24/7, whenever you feel like watching another video...lol
...you're welcome and THANK YOU for taking the time to study and learn from Tarrou's Chalk Talk!
I am redoing the homework in the book I am going to be teaching out of next year and I am just starting the chapter 4 homework. I will need to working into chapter 5 before getting into derivatives of logarithms. It is going to be about 3 weeks before I will get there. Sorry
Hi, just wanted to say thank you. Your videos are great, and you make math seem fun too haha. I'm not really a person who likes teachers, but I actually like people like you. Liked and subscribed :)
You're welcome Joel16 !
Sounds like I might have a new ProfRobBob Backer as a subscriber...BAM!!!
Don't stop there...please share my channel with all your friends and classmates and tell them to watch and subscribe and Like me on Facebook and then tell all their friends to do the same...and then I'll soon have a million subscribers like Khan Academy:D
Haha will do :) you surely deserve it.
Joel16 BAM!!!
...and thanks:)
Great presentation. In your second example in the second batch of problems, I believe 64 cubed is not 192, but 262,144...64 X 64 X 64.
I am working through the Power Rule for Derivative and 192 came from 3 times 64, not 64 cubed.
ProfRobBob Ahhh, gotcha. Now I understand! Thanks!
duga6 sounds like that calls for a BAM!!! to me:)
You're welcome...Thanks:) I hope you will return and subscribe for more learning from Tarrou's Chalk Talk!
Time 8:13 if sin4 is a constant, when you take (d/dx) sin4 - why doesn't that become 0?
Daniel Mercado sin(4) is a coefficient. It is like taking the derivative of 3x^4 which is 12x^3. The three just sits out front waiting to be multiplied by four.
ProfRobBob thanks! I see, as long as the trig function is a constant and contains no variable it behaves like a coefficient and not a function. yes?
Daniel Mercado correct:)
In the first example on the 2nd set wherein y=(sin4)x^3, where the heck did 3x^2 come from? LOL. Thanks!
d/dx is notation that I am going to take the derivative with respect to x. I am using the power rule to take the derivative of x^3
THANKS!
Thank you for this helpful video! Though, as far as I know cos(4x)^3 is taken to mean the same thing as cos^3(4x). It would have to be written as either cos(64x^3) as in the video, or with double parenthesis cos((4x)^3)
Jonathan Delgadillo (cos(4x))^3 and cos^3(4x) are the same and neither are equal to cos(4x)^3 as far as I know. Thanks for watching:)
Very good sir. My Calc teacher goes so fast in class I cant understand. Thanks for breaking this down !
You're welcome...thanks for watching and I hope to someday see my channel on your subscriber list too:)
He is in a hurry because he is getting late to go for his paid vacation ( paid by tax dollars and student fees) !!
so what happens when there is a pi before the x. so----
y=sin((pix)^9). the exponent stays with the pi or with the x?
pi x^9, the power of 9 is on the x, (pix)^9 the power of 9 is applied to pi and x.
this is a really great lesson & video!
...please like, sub and share if you continue to find this free educational channel helpful:D
thank you so much for your video! i understand these concepts a lot better now.
You're welcome…thanks for watching and don't forget to share and SUBSCRIBE to show your support:D
Hey ! Thank you so so so much for your help ! Thanks to you I managed to get an unbelievably high mark on my calculus final ! Really couldn't have done it without you and other online math experts. Please keep the videos coming , you are doing a phenomenal job.
Cheers,
From a really satisfied student. ps: Subscribed (:
That calls for a giant BAM!!! shaz009
Thanks for taking the time to "thank the teacher" and put all the extra study time in to "make the grade" and to subscribe and support #ProfRobBob ! I'll keep making videos as long as you keep spreading the word:D
Thank you very much:)
wait i did not get the cos example!! the second one
well i didnt get it as much as you ... why didnt he use the chain rule in the first equation but he used in the second one ?
lmfao. "Okay! lets move on with more examples........! Or not......!!!" Had me dying. idk why. You illustrate great examples, and this video was a great refreshment, before I take Calculus 2 in the spring. Thanx
lol…the more you watch, I hope you will laugh and learn even more:)
THANKS! & You're welcome.
Great job ! Really helped !
Thank you from a sad little uic student 😭
Don't be sad, you found this channel to study with now:)
Next step is to share it with ALL the students you know in Chicago...BAM!!!
Since this is your second comment:)
Subbed..I have an exam tomorrow for maths engineering. Thank you
+kitkatlord and THANKS for studying and subbing...hope you pass that exam like BAM!!!
Hi professor, I just have a question about the y=( sin4)x^(3). Why can’t we use the product rule here?🤔
You can use the product rule, but sin(4) is a constant and not a variable function. So the derivative of sin(4) is zero.
I have a question. For the sample
cos^3(4x) coudnt it just be
-sin^3(4x)*d/dx(4x)
-4sin^3(4x)
Im a little confused abt this.
cos(4x) is inside the function of exponent of 3, so it cannot just be -sin^3(4x)*d/dx(4x)
ProfRobBob Oh ok! thanks a lot!
hey doc what if we send you a problem via email would you be willing to work it out on vid for us?
should def do statics/moments. You make things easier
I do have a Statistics playlist but I'm not sure what "moments" are...
Thanks for watching 70davidvilla
ohh..they are torques. I meant more of an engineering physics videos.
ur handwriting is really nice
Wait, why is the sec not squared on the bottom equation? sec(3x^2 -1)
Sir! in obtaining the derivative of (sin4)x^3, why didn't you answer it using product rule? I'm a little confused there...
sin4 is a constant, so while you can use the product rule the derivative of a constant is just zero.
thank you! just realized XD
:)
excellent! Big help. thank you :)
You're welcome...Thanks for taking a chance Chance Wilson ...lol
Thanks for watching, liking and subbing too!
thanks!! I am taking calculus in taiwan and I just do not get the teacher explaining in mandarin!
MY GUY YOU ARE A BLODDY HELL OF A GENIUS THANK YOU SENSAI FOR THE GOOD LESSON UHHHHH THO I LOSE 4 MARKS ON A MATH TEST CAUSE OF THIS #FEELSBAD
Keep studying and the next one will be 100%...BAM!!!
Man this is awesome! Bamn!...a good calculus teacher! xP I plan on studying by your videos...thank you!!!
You're welcome and "Thanks" for watching and supporting…I hope you will share my channel with your friends and classmates as well:)