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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=cos 2 theta, b = sin 2 theta `

B

`a=1, b=1`

C

`a=sin 2 theta, b=cos 2 theta `

D

`a=sec 2 theta, b=tan 2 theta `

Text Solution

Verified by Experts

The correct Answer is:
a
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