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int(cos2x-1)/(cos2x+1)\ dx= tanx-x+C (b...

`int(cos2x-1)/(cos2x+1)\ dx=` `tanx-x+C` (b) `x+tanx+C` (c) `x-tanx+C` (d) ` x-cotx+C`

A

`tanx-x+c`

B

`x+tanx+c`

C

`x-tanx+c`

D

`-x-cotx+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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