Determine whether the matrices A and B given below are orthogonal matrices. A = -0.28 -0.96 0 0.96 -0.28 0 0 0 0 0 0 -0.28 -0.96 0 0.96 -0.28 B= -0.28 0.96 0 0 0.96 -0.28 0 0 0 0 -0.28 0.96 0 0 0.96 -0.28

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