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In a Delta ABC, among the following whic...

In a `Delta ABC,` among the following which one is ture ?

A

`(b+c)cos.(A)/(2) = a sin((B+C)/(2))`

B

`(b+c)cos((B+C)/(2)) = a sin.(A)/(2)`

C

`(b-c)cos((B-C)/(2)) = a cos((A)/(2))`

D

`(b-c)cos.(A)/(2) = a sin((B-C)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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In a triangle ABC

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