If `A=[cos2thetasin2theta-sin2thetacos2theta]` , find `A^2` .

If A=[cos2 theta sin2 theta-sin2 theta cos2 theta], find A^(2)

If A=[[cos 2 theta, sin 2 theta],[-sin2theta, cos2theta]] , find A^2

If A=[[cos 2 theta, sin 2 theta],[-sin2theta, cos2theta]] , find A^2

If A=[[cos2 theta,sin2 theta],[-sin2 theta,cos2 theta]] then find A^2

If A=[[cos theta,-sin thetasin theta,cos theta]], then find the values of theta satisfying the equation A^(T)+A=I_(2)

Inverse of the matrix [[cos2 theta,-sin2 thetasin2 theta,cos2 theta]] is

Inverse of the matrix [[cos2 theta,-sin2 thetasin2 theta,cos2 theta]] is

Prove: tan^2thetacos^2theta=1-cos^2theta

If A=[[1,tan theta-tan theta,1]], show that A'A^(-1)=[[cos2 theta,-sin2 thetasin2 theta,cos2 theta]]

sin^(4)theta+sin^(2)thetacos^(2)theta=?