If A = [{:(cos 2thet,,-sin 2theta),(sin ...

If `A = [{:(cos 2thet,,-sin 2theta),(sin 2theta,, cos 2theta):}]` and `A + A^(T) = 1`, where I is the unit matrix of `2 xx 2` & `A^(T)` is the transpose of A. then the value of `theta ` is equla to

A

`pi/6`

B

`pi/3`

C

`pi`

D

`(3pi)/2`

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The correct Answer is:

A

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