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int(cos 2x-cos 2 theta)/(cosx-cos theta)...

`int(cos 2x-cos 2 theta)/(cosx-cos theta)dx=....+C`

A

`2(sinx+x cos theta)`

B

`2 (sinx-xcos theta)`

C

`2(sin x+2x cos theta)`

D

`2(sinx-2x cos theta)`

Text Solution

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The correct Answer is:
A
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