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If x=sqrt((1- cos theta )/(1+ cos theta...

If ` x=sqrt((1- cos theta )/(1+ cos theta )), " then " (2 x)/(1-x^(2))=`

A

`sintheta`

B

`costheta`

C

`tantheta`

D

`cottheta`

Text Solution

Verified by Experts

The correct Answer is:
C
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