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(sin A - sin B)/(cos A+ cos B) is equal ...

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

A

`sin ((A+B)/(2))`

B

`2 tan (A+B)`

C

`cot ((A-B)/(2))`

D

`tan ((A-B)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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