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If [(1,-tan theta),(tan theta,1)][(1,tan...

If `[(1,-tan theta),(tan theta,1)][(1,tan theta),(-tan theta,1)]^(-1)=[(a,-b),(b,a)],` then

A

`a=b=1`

B

`a=cos2theta, b=sin2theta`

C

`a=sin2theta, b=cos2theta`

D

`a=1,b=sin2theta`

Text Solution

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The correct Answer is:
B
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