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If ((1,-tan theta ),(tan theta,1))((1,ta...

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

A

a=1,b=1

B

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

C

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

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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