`sin^2theta+cos^2theta`

Prove that : sin^8 theta- cos^8 theta= (sin^2 theta- cos^2 theta)(1-2 sin^2 theta cos^2 theta) .

If 5sin^2 theta+cos^2theta=2 then sin theta=

prove : sin^8θ-cos^8θ = (sin^2 theta - cos^2 theta) (1- 2 sin^2 theta cos^2 theta)

Solve 3sin^2 theta -cos^2 theta=0

The number of values of x lying in [-pi, pi] and satisfying 2sin^2theta = cos2theta and sin2theta+ 2cos2theta-costheta-1 = 0 is

If "cosec" theta = sqrt5 , find the value of : 2-sin^2theta - cos^2 theta

tan^(2)theta-tan^(2)(90^(@)-theta)=(sin^(2)theta-cos^(2)theta)/(sin^(2)theta cos^(2)theta)

sin^(4)theta+sin^(2)theta cos^(2)theta=

Inverse of the matrix A=[[cos2theta, -sin2theta], [sin2theta, cos2theta]] is

Prove the following identities: sin^(8)theta+cos^(8)theta=(sin^(2)theta-cos^(2)theta)(1-2sin^(2)theta cos^(2)theta)