Question: Need help with this 9 10 11 12/ 4. I Read the problem above so that you know the definition of the transpose of a

Need help with this

9 10 11 12/ 4. I Read the problem above so that you know the definition of the transpose of a matrix. The identity matrix In is the n x n matrix that has all 1's on its diagonal, and 0 everywhere else. For le, 12 = (6 9 ) and 13 - ( O An n x n matrix A is said to be a rotation matrix if 0 and only if A A = In, where In is the n x n identity matrix. Determine the value of a so that 1/3 0 a 0 1 0 is a rotation matrix. Note: Rotation matrices are used extensively in computer a 0 1/3 graphics

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