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The value tan^(-1)[sqrt((a-b)/(a+b))"ta...

The value ` tan^(-1)[sqrt((a-b)/(a+b))"tan"(theta)/2]` is equal to

A

`cos^(-1)((a cos theta +b)/(a+b cos theta))`

B

`cos^(-1)((a+b cos theta)/(a cos theta+b))`

C

`cos^(-1)((a cos theta)/(a+b cos theta))`

D

`cos^(-1)((b cos theta)/(a cos theta+b))`

Text Solution

Verified by Experts

The correct Answer is:
A
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