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Evaluate the following integrals : int(1...

Evaluate the following integrals : `int(1-cos2x)/(1+cos2x)dx`

A

`tanx+x+C`

B

`tanx-x+C`

C

`-tanx+x+C`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
`I=int(2sin^(2)x)/(2cos^(2)x)dx=inttan^(2)xdx=int(sec^(2)x-1)dx=tanx-x+C`.
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