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If int(0)^(pi) x f (cos^(2) x + tan ^(4)...

If `int_(0)^(pi) x f (cos^(2) x + tan ^(4) x ) dx`
`= k int_(0)^(pi//2) f(cos^(2) x + tan ^(4) x ) dx` then k =

A

`pi/2`

B

`pi`

C

`-pi/2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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