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int(1)/(7+5cos x)dx=...

`int(1)/(7+5cos x)dx=`

A

`(1)/(sqrt3)tan^(-1)((1)/(sqrt3)tan.(x)/(2))+c`

B

`(1)/(sqrt6)tan^(-1)((1)/(sqrt6)tan.(x)/(2))+c`

C

`(1)/(2)tan^(-1)((1)/(2)tanx)+c`

D

`(1)/(4)tan^(-1)((1)/(2)tan^(-1)x)+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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