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If A = [[cosalpha, -sinalpha],[sinalpha,...

If `A = [[cosalpha, -sinalpha],[sinalpha,cosalpha]] and A + A' = I`, then the value of `alpha` is:

A

`(pi)/(6)`

B

`(pi)/(3)`

C

`pi`

D

`(3 pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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