In aDeltaABC,2acsin((A-B+C)/(2)) is equa...

In `aDeltaABC,2acsin((A-B+C)/(2))` is equal to

A

`a^(2)+b^(2)-c^(2)`

B

`c^(2)+a^(2)-b^(2)`

C

`b^(2)-c^(2)-a^(2)`

D

`c^(2)-a^(2)-b^(2)`

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The correct Answer is:

B

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