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If for the matrix A=[(costheta, 2sinthet...

If for the matrix `A=[(costheta, 2sintheta),(sintheta,costheta)],A^(-1)=A^(T)` then number of possible value(s) of `theta` in `[0, 2pi]` is :

A

2

B

3

C

1

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
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