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int(dx)/(1+cosa cosx)=...

`int(dx)/(1+cosa cosx)=`

A

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

B

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

C

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

D

`(2)/(cosa)tan^(-1)(tan((x)/(2))cot((a)/(2)))+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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