a) \(\begin{bmatrix}1&0&0\\0&1&0\\0&0&1\end{bmatrix}\)
b) \(\begin{bmatrix}1&0&1\\1&0&1\\1&0&1\end{bmatrix}\)
c) \(\begin{bmatrix}1&0&1\\0&1&0\\1&0&1\end{bmatrix}\)
d) \(\begin{bmatrix}1&0&0\\1&1&0\\1&1&1\end{bmatrix}\)
If A=\(\begin{bmatrix}cosx&-sinx&-cosx\\sinx&-cosx&sinx \end{bmatrix}\). Find A’A.
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answerhappygod
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If A=\(\begin{bmatrix}cosx&-sinx&-cosx\\sinx&-cosx&sinx \end{bmatrix}\). Find A’A.
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