if A=[ cos2 theta sin 2 theta ,find A2 -sin2 theta cos 2 theta ] Share with your friends Share 4 Manbar Singh answered this A = cos 2θsin 2θ- sin 2θcos 2θA2 = cos 2θsin 2θ- sin 2θcos 2θ cos 2θsin 2θ- sin 2θcos 2θ=cos22θ-sin22θcos 2θ.sin 2θ+sin2θ . cos 2θ-cos 2θ.sin 2θ-sin2θ . cos 2θcos22θ-sin22θ=cos 4θsin 4θ-sin 4θcos 2θ 8 View Full Answer
