(1+ sin A- cos A)/( 1+ sin A + cos A)=.....

`(1+ sin A- cos A)/( 1+ sin A + cos A)=`.................... A) `sin ""A/2` B) `cos ""A/2` C) `tan ""A/2` D) `cot ""A/2`

A

`sin ""A/2`

B

`cos ""A/2`

C

`tan ""A/2`

D

`cot ""A/2`

Verified by Experts

The correct Answer is:

C

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