[" 1) "A=[[cos2 theta,sin2 theta],[-sin2...

[" 1) "A=[[cos2 theta,sin2 theta],[-sin2 theta,cos2 theta]]" find "A^(2)quad " Sho "=[[cos4 theta,sin4 theta],[-sin u theta,cos40]]],[,=sin2 thetaquad cos^(4)theta]

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

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

sin4 theta-sin2 theta=cos3 theta

cos theta+sin theta=cos2 theta+sin2 theta

sin theta+sin2 theta+sin3 theta=1+cos theta+cos2 theta

sin^(4)theta+cos^(4)theta=1-2sin^(2)theta cos^(2)theta

(1+sin2 theta-cos2 theta)/(1+sin2 theta+cos2 theta)=tan theta

(sin theta-cos theta)^(2)*(sin theta+cos theta)^(2)=

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

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