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int (1)/(4+5cos x)dx=...

`int (1)/(4+5cos x)dx=`

A

`(1)/(3)log|(3+tanx//2)/(3-tanx//2)|+c`

B

`(1)/(6)log|(3+tanx//2)/(3-tanx//2)|+c`

C

`(1)/(6)log|(3+tanx//2)/(3-tanx//2)|+c`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
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