InterviewSolution
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InterviewSolution
| 1. |
\cos \theta \left[ \begin{array}{cc}{\cos \theta} & {\sin \theta} \\ {-\sin \theta} & {\cos \theta}\end{array}\right]+\sin \theta \left[ \begin{array}{cc}{\sin \theta} & {-\cos \theta} \\ {\cos \theta} & {\sin \theta}\end{array}\right. |
| Answer» | |