Derivative of sin(x) from First Principles

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  • เผยแพร่เมื่อ 7 ก.ย. 2024
  • I used the definition of derivative to show that d/dx (sin x) = cos x

ความคิดเห็น • 94

  • @likhomava600
    @likhomava600 ปีที่แล้ว +35

    My days of suffering are finally gone, i have found myself a tutor who explains clearly what they are doing, thank you sir.

  • @JoeTaxpayer
    @JoeTaxpayer 9 หลายเดือนก่อน +10

    There are videos that take 20 minutes to show a problem that my students should do in 2-3 minutes. Your videos get right to it, worth every second of my time. (I am a HS math teacher/tutor/sub). I'm watching to improve my own style of teaching. And I'll say, you have a voice that's so calming, I can listen to you for hours and not get bored.
    Thank you for doing what you do.

  • @sairamk2799
    @sairamk2799 9 หลายเดือนก่อน +3

    dont stop learning those who stopped learning are the ones who stopped living- hit me ......thank you so much for this derivation sir

  • @georgebigouch330
    @georgebigouch330 8 หลายเดือนก่อน +3

    I am from Peru, and my mother language is Spanish, and I have to say that your TH-cam videos are fantastic and clear, your pronunciation is nice, and I understand all you say, thanks very much.

  • @andernogamer8625
    @andernogamer8625 8 หลายเดือนก่อน +6

    Love from India 🗿🕶️

  • @jethrobo3581
    @jethrobo3581 ปีที่แล้ว +7

    Wow! God gave you the gift of being a superb teacher! Thanks for sharing your gift and please don't stop!

  • @rayraro5168
    @rayraro5168 3 หลายเดือนก่อน +1

    Your enthusiasm for maths is very clear ,and i find myself smiling because of it from time to time! I hope to be able to teach my peers in a similar way one day

  • @samwelkariuki3114
    @samwelkariuki3114 ปีที่แล้ว +13

    Wow...you are one of the best teachers I have met online thank you for clarifying the last step

  • @Great_dreamer
    @Great_dreamer 8 หลายเดือนก่อน

    You are one of the best teacher I have met online.! You did amazing, the way in which you explain is so simple.! And the other one which interest me is your pronunciation it's good for we Africans!! Thank you DON'T GIVE UP I'm from Ethiopia

  • @saniulazam5715
    @saniulazam5715 ปีที่แล้ว +3

    Wow. Your teaching is litterally awesoum....❤❤❤🎉

  • @belalmenisy5859
    @belalmenisy5859 ปีที่แล้ว +7

    shouldve came here before my a level maths edexcel exam

  • @Tawny3991
    @Tawny3991 3 หลายเดือนก่อน

    Thank you so much for explaining this really clearly and not rushing through any steps. This question came up in a practice paper I did, and I was really stuck, but this video has helped to clear that up. Thank you!

  • @user-yu1eb5xo6n
    @user-yu1eb5xo6n 3 หลายเดือนก่อน

    Sir,you are powerful and determined. You are a born teacher❤❤

  • @Antelope2000
    @Antelope2000 ปีที่แล้ว +2

    Lovely and engaging explanation.

  • @MireraNYAMWEYA
    @MireraNYAMWEYA 2 ปีที่แล้ว +5

    Actually my professor did set this in an exam but thanks sir.

  • @tyrell1505
    @tyrell1505 2 ปีที่แล้ว +2

    This question disturbed me a lot...thank you so much

  • @user-bi1ky8se8q
    @user-bi1ky8se8q 9 หลายเดือนก่อน

    You are a blessing to this generation. Keep up the good work

  • @esromaron2057
    @esromaron2057 8 หลายเดือนก่อน +1

    you could use factor formula from sin (X+h)-sinx

  • @renesperb
    @renesperb ปีที่แล้ว +2

    A only have one little sugestion : rewrite the terms first completely , and only at the end take the limits , then you have write less.
    Otherwise ,I think you're doing a very good job.

  • @harshsrivastava3305
    @harshsrivastava3305 ปีที่แล้ว +2

    Thanks alot sir it helps me very much at the last day of exam✨🤞

  • @yogex_demon4390
    @yogex_demon4390 2 ปีที่แล้ว +2

    Thank you so much sir I was just breaking my head good channel I will share it to my friend hope you get more subs

  • @kerrynewman1221
    @kerrynewman1221 ปีที่แล้ว +3

    Looks like you're using hyperbolic trig functions. Love refreshing my collage days 45 years ago. Your videos are great.

  • @user-yp1zp7ud2l
    @user-yp1zp7ud2l 11 หลายเดือนก่อน

    Sir I'm from India and I like ur teaching style and explanation❤❤

  • @VedanthRaj789
    @VedanthRaj789 6 หลายเดือนก่อน

    Sir I'm from India and I like ur teaching style and explanation

  • @MirriamKalesaBlessed-rf4gh
    @MirriamKalesaBlessed-rf4gh ปีที่แล้ว +1

    Wow you really good, I'm having sessional exams next week and i was very stuck with this topic 😮

  • @Mediterranean81
    @Mediterranean81 หลายเดือนก่อน +1

    7:51 give me the proof of the limit as h goes to 0 of (cos h - 1)/h

  • @sergiolucas38
    @sergiolucas38 2 ปีที่แล้ว +3

    great video, man, nice speech at the beginning as well :)

    • @PrimeNewtons
      @PrimeNewtons  2 ปีที่แล้ว

      Thank you for the kind words.

  • @chembekunda8111
    @chembekunda8111 หลายเดือนก่อน

    Where have you been 😭 this is well put

  • @sneedle252
    @sneedle252 9 หลายเดือนก่อน +1

    Just a small suggestion: You might want to link videos for proofs used in a video in the description to make them easier to find.

    • @PrimeNewtons
      @PrimeNewtons  9 หลายเดือนก่อน

      Thanks. I will

  • @dilchiramarak5515
    @dilchiramarak5515 ปีที่แล้ว +1

    Thanks for teaching n i m hoping to get more explain from you 🥳

  • @punditgi
    @punditgi ปีที่แล้ว +2

    Hurrah for Prime Newtons! No stone left unturned! 👍

  • @M33lvyn
    @M33lvyn ปีที่แล้ว +1

    woowww... i understood perfectly well sir

  • @dougaugustine4075
    @dougaugustine4075 2 หลายเดือนก่อน

    I've got to dig up the video about the two identites!

  • @samwelkariuki3114
    @samwelkariuki3114 ปีที่แล้ว +2

    Actually your handwriting is 👍👍👍

  • @kabir_mash
    @kabir_mash ปีที่แล้ว +1

    Great to see will smith with the slapping math tutorials, keep it up my guy

  • @petergithinji220
    @petergithinji220 6 หลายเดือนก่อน +1

    You must be a professor ❤

  • @Greatness829
    @Greatness829 2 ปีที่แล้ว +2

    Love your African vibe sir but on another note thnx for the clear explanation

    • @PrimeNewtons
      @PrimeNewtons  2 ปีที่แล้ว +1

      Thank you.

    • @Greatness829
      @Greatness829 2 ปีที่แล้ว

      @@PrimeNewtons do you do online tutoring

    • @PrimeNewtons
      @PrimeNewtons  2 ปีที่แล้ว +2

      I could if the conditions are right. Please email me (primenewtons@gmail.com)

    • @Greatness829
      @Greatness829 2 ปีที่แล้ว +2

      @@PrimeNewtons will do sir...will probably mail you at the start of the week

  • @rafuuuu3950
    @rafuuuu3950 6 หลายเดือนก่อน

    Amazing!!! Watching from Philippines 🎉🎉

  • @jena2379
    @jena2379 2 ปีที่แล้ว +3

    vera level sir.....

  • @b_dog_piano
    @b_dog_piano 5 หลายเดือนก่อน +1

    Thanks a million!

  • @MurshidIslam
    @MurshidIslam ปีที่แล้ว +5

    8:19 Those two limits can be found on his previous video: th-cam.com/video/XZ-l80jqY5U/w-d-xo.html

    • @jf3518
      @jf3518 ปีที่แล้ว

      The video is now private

    • @boracelikturk369
      @boracelikturk369 10 หลายเดือนก่อน

      saved my life

  • @fonkenmunprincelly1422
    @fonkenmunprincelly1422 ปีที่แล้ว +1

    Thanks alot sir you made me understand better

  • @Blueking_Bg
    @Blueking_Bg 8 หลายเดือนก่อน +1

    Thank you Sir

  • @Macharia_Githinji
    @Macharia_Githinji ปีที่แล้ว

    Thanks Man 👍👍👍 this lesson has helped understand this in minutes🙏

  • @frimi8593
    @frimi8593 9 หลายเดือนก่อน

    the two limit identities you used, they aren't derived in your other videos from l'Hopital's rule are they? Because if they are then this proof is begging the question

    • @PrimeNewtons
      @PrimeNewtons  9 หลายเดือนก่อน

      No, they weren't .

  • @chhayasharma8479
    @chhayasharma8479 2 ปีที่แล้ว +2

    thank you sir helped me a lot 👌

  • @PeaceOnosohwo-ys7kb
    @PeaceOnosohwo-ys7kb ปีที่แล้ว +1

    Thank you sir for the help and i will like to ask for help to solve a maths question

  • @iosifpuha6114
    @iosifpuha6114 4 หลายเดือนก่อน

    When will someone show a proof of this but using the definition with x->c instead of the definition with h->0?

  • @Samarrr04
    @Samarrr04 8 หลายเดือนก่อน

    Loved this video, huge thumbs up

  • @shanecurrie4999
    @shanecurrie4999 ปีที่แล้ว +1

    Such a perfect video

  • @surendrakverma555
    @surendrakverma555 6 หลายเดือนก่อน

    Good 👍 Thanks

  • @motivational-site
    @motivational-site 2 ปีที่แล้ว +2

    Thanks!

  • @herkulepoirot9314
    @herkulepoirot9314 3 หลายเดือนก่อน

    Nice proof, but shouldn't your => be = ?

  • @Science_worm
    @Science_worm 7 หลายเดือนก่อน +1

    Can you solve for -2sinx

  • @ezekielokoth
    @ezekielokoth ปีที่แล้ว +1

    Keep it up sir!

  • @EmmanuelDivine-qm9em
    @EmmanuelDivine-qm9em ปีที่แล้ว +1

    Awesome ❤

  • @M33lvyn
    @M33lvyn ปีที่แล้ว +1

    i have a question tho..
    what if we were asked to solve this?
    y=Sin4x

    • @PrimeNewtons
      @PrimeNewtons  ปีที่แล้ว

      That's stressful but not impossible. Anyone asking you to do that from first principles is unkind.

    • @M33lvyn
      @M33lvyn ปีที่แล้ว

      @@PrimeNewtons lol
      My maths lecturer
      💔😅

  • @F_3020
    @F_3020 ปีที่แล้ว +1

    最高ですね😀!!

  • @aashmazayn819
    @aashmazayn819 ปีที่แล้ว +1

    Thanx u some much .

  • @_.MoneyMastery._
    @_.MoneyMastery._ 8 หลายเดือนก่อน +1

    Meanwhile in India we're doing this in 11th grade lol😂😂😂😂

  • @RoshaniKalasua-bs7if
    @RoshaniKalasua-bs7if ปีที่แล้ว +1

    Awesome

  • @mymenare
    @mymenare 5 หลายเดือนก่อน

    Nice

  • @omojuwainioluwa5657
    @omojuwainioluwa5657 2 ปีที่แล้ว +2

    👍

  • @evwerenisaacoghenenyerhovw232
    @evwerenisaacoghenenyerhovw232 7 หลายเดือนก่อน

    Professor

  • @awholevibestv6739
    @awholevibestv6739 ปีที่แล้ว +1

    JUST ADDED A Sub ,,,,,zambia

  • @lawrencemore4752
    @lawrencemore4752 ปีที่แล้ว +1

  • @KelvinMutua-hm4wq
    @KelvinMutua-hm4wq 5 หลายเดือนก่อน

    Thanks sir 😂

  • @mk-jl3zd
    @mk-jl3zd 8 หลายเดือนก่อน

    Can you write smaller!!!?

    • @PrimeNewtons
      @PrimeNewtons  8 หลายเดือนก่อน +1

      That must be a hilario-sarcastically designed comment 🤪🤪🤪

  • @chama888
    @chama888 10 หลายเดือนก่อน +1

    Bro never hesitate
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  • @vedanshvinodh4356
    @vedanshvinodh4356 6 หลายเดือนก่อน

    god

  • @fonkenmunprincelly4079
    @fonkenmunprincelly4079 ปีที่แล้ว +1

    Your the best

  • @chandamwila1754
    @chandamwila1754 4 หลายเดือนก่อน

    Ulimupondo( you are powerful!) From now onwards we are friends!

  • @reg-net8956
    @reg-net8956 ปีที่แล้ว +1

    Please write "X" as a capital X; the small x looks like an "n" also, I hate it when teachers write "X" as two back to back "c"s; there is enough ambiguity in equations without making them more ambiguous.

    • @PrimeNewtons
      @PrimeNewtons  ปีที่แล้ว +1

      Thanks for the feedback. I think I'll stick to my handwriting style. Hope you find it meaningful next time.