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int dx/(7+5cosx) =...

`int dx/(7+5cosx) = `

A

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

B

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

C

`1/7 tan^(-1) (tan (x/2))+c`

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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