I mostly watch this type of video when it’s really slow at work. If I’m really feeling lucky, I try to work some math videos out before playing. This video was one of those that I’ll put off when I’m on my days off when I get caught up on my sleep
i didnt watch the video but i solved by the thumbnail: t = theta 15 + (180-45) + x = 180 x (far right angle) = 30 t + 15 + 30 + y (far left angle) = 180 t + 45 + y = 180 these equations are equal therefore the two triangles, left and the one which encompasses both the right and left ones have equal angles but are rotated and flipped, if you rotate and flip the left triangle you can see the 45 degree angle matches up with the theta + 15 angle. Therefore theta = 45 - 15, or 30
👍 tan 45 = h/(y+x) or x = h - y tan 30 = h/(y+2x) or h√3 = y+2(h-y) y = h(2-√3) tan (45+theta) = h/y = 2+√3 45 + theta = 75 theta = 30 degree Other method by m n theorem 2 cot 45 = cot 15 - cot theta 2 = 2+√3 - cot theta cot theta= √3 theta = 30 degree
Nice and awesome question
You are genius ❤
I’m watching this at 3:30 in the morning, figuring out triangles is fun to watch but way too deep of a subject to try and solve using trigonometry
A little rest might make them seem way less daunting :)
I mostly watch this type of video when it’s really slow at work. If I’m really feeling lucky, I try to work some math videos out before playing. This video was one of those that I’ll put off when I’m on my days off when I get caught up on my sleep
i didnt watch the video but i solved by the thumbnail:
t = theta
15 + (180-45) + x = 180
x (far right angle) = 30
t + 15 + 30 + y (far left angle) = 180
t + 45 + y = 180
these equations are equal therefore the two triangles, left and the one which encompasses both the right and left ones have equal angles but are rotated and flipped, if you rotate and flip the left triangle you can see the 45 degree angle matches up with the theta + 15 angle. Therefore theta = 45 - 15, or 30
This is simple but actually briliant
Loved the pun 😂 Awesome explanation
awesome bro
SINE RULE WOULD BE THE BEST SOLUTION FOR THIS.
But that only works with a right angle triangle right?
@Meow-meow51 no, it is applicable on any general triangle.
@@ashutoshshukla8015 oh kk
Such complicated solution for a simple problem
You are a genius 😯 you are good in maths.
Wow, thanks
Which software do you use for making this kind of video please
It can be solved even more simply by sine rule
could you make a video on how to solve it using trigonometry?
θ = 30°
Nice👍
SO cool! :)
Happy to see a class 9 RD question in a TH-cam video😆
finally, some cultured person
I solved it using trigonometry bro but I find your method more interesting 👍.
Thats awesome... actually I also asked at the end to solve the same using Trigonometry and gave some hints...did you use the same approach?
👍
tan 45 = h/(y+x) or x = h - y
tan 30 = h/(y+2x)
or h√3 = y+2(h-y)
y = h(2-√3)
tan (45+theta) = h/y = 2+√3
45 + theta = 75
theta = 30 degree
Other method
by m n theorem
2 cot 45 = cot 15 - cot theta
2 = 2+√3 - cot theta
cot theta= √3
theta = 30 degree
Math Legends
45°-15°=30° ✅
So aGooood 😼👍😏
Just Got Video Suggestions And Guessed The Angle is 30° by seeing fig 😂
👀 Do you know how to prove your guess?
@brain_station_videos my brain thoughts are faster than speed of universe expansion 😂