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

`int(cos 2x - cos 2 theta)/(cos x - cos theta)dx` is equal to

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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