Trigonometry || In an acute traingle ABC, if sin(A+B-C)=1/2 and cos(B+C-A)=1/√2, find ∠A, ∠B, and ∠C
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4:50
Trigonometry || cotx/(1-tanx)+tanx/(1-cotx)=1+cotx+ tanx || #trigonometry #maths
![](https://i.ytimg.com/vi/idrbwnWLJ7w/mqdefault.jpg)
5:37
What staying up all night does to your brain - Anna Rothschild
![](https://i.ytimg.com/vi/j0Yq7JJEB1Y/mqdefault.jpg)
7:14
Class 9th || AB is a diameter of the circle, CD is a chord equal to the radius of the circle. AC
![](https://i.ytimg.com/vi/PfVPSB3oTiw/mqdefault.jpg)
5:38
Circle || In the figure, O is the centre of the circle. If ∠BCO=30°, find x and y || #maths
![](https://i.ytimg.com/vi/GE6EJZw0Nus/mqdefault.jpg)
7:15
Polynomial || Class 9th || Division of polynomials || Important questions of polynomial || #math
![](https://i.ytimg.com/vi/q1iSmAh3n-c/mqdefault.jpg)
18:11
BASIC Calculus – Understand Why Calculus is so POWERFUL!
![](https://i.ytimg.com/vi/4S-9tk0vKHw/mqdefault.jpg)
23:39
Bobby Fischer's God Move Sends Entire Chess World Into Meltdown! | "Game Of The Century"
![](https://i.ytimg.com/vi/Et2l2ZJYWqA/mqdefault.jpg)
11:04