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If int(0)^(alpha)(dx)/(1-cos alpha cosx)...

If `int_(0)^(alpha)(dx)/(1-cos alpha cosx)=(A)/(sin alpha)+B(alpha ne 0)`, then possible values of A and B are

A

`A=(pi)/(2), B=0`

B

`A=(pi)/(4), B=(pi)/(4sinalpha)`

C

`A=(pi)/(6), B=(pi)/(sinalpha)`

D

`A=pi, B=(pi)/(sinalpha)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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