Trigonometry || cotx/(1-tanx)+tanx/(1-cotx)=1+cotx+ tanx || #trigonometry #maths
1:42
Trigonometry || If sinx + sin^2{x} = 1 , prove that cos^2{x}+cos^4{x}=1 || #class10 #maths
6:25
Trigonometry || If secθ-tanθ=x , show that secθ=1/2(x+1/x) and tanθ=1/2(1/x-x) || #math #class
3:02
Trigonometry || If sin^2theta+1 =3sunthetacistheta then prove tantheta =1 or 1/2 || #maths #class10
8:45
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
5:38
Circle || In the figure, O is the centre of the circle. If ∠BCO=30°, find x and y || #maths
7:15
Polynomial || Class 9th || Division of polynomials || Important questions of polynomial || #math
2:34
Trigonometry || If xsin^3theta + ycos^3theta=sinthetacostheta and xsintheta=ycostheta find x^2+y^2
4:31