If A=\(\begin{bmatrix}cos⁡x&-sin⁡x&-cos⁡x\\sin⁡x&-cos⁡x&sin⁡x \end{bmatrix}\). Find A’A.

\(\begin{bmatrix}1&0&0\\0&1&0\\0&0&1\end{bmatrix}\)

\(\begin{bmatrix}1&0&1\\1&0&1\\1&0&1\end{bmatrix}\)

\(\begin{bmatrix}1&0&1\\0&1&0\\1&0&1\end{bmatrix}\)

\(\begin{bmatrix}1&0&0\\1&1&0\\1&1&1\end{bmatrix}\)

If A=\(\begin{bmatrix}cos⁡x&-sin⁡x&-cos⁡x\\sin⁡x&-cos⁡x&sin�

1.	If A=\(\begin{bmatrix}cos⁡x&-sin⁡x&-cos⁡x\\sin⁡x&-cos⁡x&sin⁡x \end{bmatrix}\). Find A’A.
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.	\(\begin{bmatrix}1&0&0\\1&1&0\\1&1&1\end{bmatrix}\)
Answer» E.

If A=\(\begin{bmatrix}i&1\\0&i\end{bmatrix}\), then the correct relation is ___________
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