Question: if matrix A = [cos.2.theta sin.2.theta, -sin.2.theta cos.2.theta]. find the matrix A^2

if matrix A = [cos.2.theta sin.2.theta, -sin.2.theta cos.2.theta]. find the matrix A^2

if matrix A = [cos.2.theta sin.2.theta, -sin.2.theta cos.2.theta]. find the matrix A^2

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