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tan ""A/2 is equal to.............. A) ...

`tan ""A/2` is equal to.............. A) `sqrt((1- sin A)/( 1+ sin A))` B) `sqrt((1+ sin A)/(1- sin A))` C) `sqrt((1 -cos A)/(1 + cos A))` D) `sqrt((1 +cos A)/(1- cos A))`

A

`sqrt((1- sin A)/( 1+ sin A))`

B

`sqrt((1+ sin A)/(1- sin A))`

C

`sqrt((1 -cos A)/(1 + cos A))`

D

`sqrt((1 +cos A)/(1- cos A))`

Text Solution

Verified by Experts

The correct Answer is:
C
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