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If A=[(cos alpha, sin alpha),(-sin alpha...

If `A=[(cos alpha, sin alpha),(-sin alpha, cos alpha)]`, then verify that `A'A=I`

A

A

B

Zero matrix

C

A'

D

I

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The correct Answer is:
D
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SUNSTAR PUBLICATION-K-CET-MATHEMATICS -2018-MULTIPLE CHOICE QUESTIONS
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