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If A=[(1,tan(theta/2)),(-tan(theta/2),1)...

If `A=[(1,tan(theta/2)),(-tan(theta/2),1)]` and `AB=I`, then `B=`

A

`cos^(2)"(theta)/(2).A`

B

`cos^(2)"(theta)/(2).A^(T)`

C

`cos^(2)"(theta)/(2).I`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
b
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