(sin A-sin B)/(cos B-cos A) का मान बराबर...

`(sin A-sin B)/(cos B-cos A)` का मान बराबर है

A

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

B

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

C

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

D

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

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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