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In triangleABC, (b-c)^(2)cos^(2)((A)/(2)...

In `triangleABC, (b-c)^(2)cos^(2)((A)/(2))+(b+c)^(2)sin^(2)((A)/(2))`

A

`b^(2)`

B

`c^(2)`

C

`a^(2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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