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If int(dx)/(5-4cosx)=Atan^(-1)(Btanx//2...

If `int(dx)/(5-4cosx)=Atan^(-1)(Btanx//2)+C`, then

A

`A=1,B=3`

B

`A=2//3,B=3`

C

`A=-1,B=1//3`

D

`A=1//3, B=2//3`

Text Solution

Verified by Experts

The correct Answer is:
B
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  • int(dx)/(3+5cosx)=

    A
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    B
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