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( cos 2 alpha)/( cos^(4) alpha - sin^(4...

`( cos 2 alpha)/( cos^(4) alpha - sin^(4) alpha ) -(cos^(4) alpha + sin^(4) alpha )/(2-sin^(2) 2alpha ) = `

A

`0`

B

1

C

`1//2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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