int sinx/sin(x-alpha)dx=Ax+B log (sin(x-...

`int sinx/sin(x-alpha)dx=Ax+B log (sin(x-alpha))+C` then find out `(A ,B)`

A

`A=sinalpha,B=cosalpha`

B

`A=cos alpha, B =- sinalpha`

C

`A=cosalpha,B=sinalpha`

D

none of these

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The correct Answer is:

c

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