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int (sinxcosx)/(1+cos^(4)x)dx =...

`int (sinxcosx)/(1+cos^(4)x)dx =`

A

`1/2 cot ^(-1) (cos^(2)x)`

B

`1/2tan^(-1) (cos^(2)x)`

C

`2 cot^(-1) (cos^(2)x)`

D

`2 tan^(-1) (cos^(2)x)`

Text Solution

Verified by Experts

The correct Answer is:
A
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