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In Delta ABC , sin"(A)/(2) + cos""((B-C)...

In `Delta ABC , sin"(A)/(2) + cos""((B-C)/(2))=`

A

`2Cos(B)/(2) Cos(C )/(2)`

B

`2Sin(B)/(2)Cos(C )/(2)`

C

`2Cos(B)/(2)Sin(C )/(2)`

D

`2Sin(B)/(2)Sin(C )/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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