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If A,B and C are interior angles of a De...

If A,B and C are interior angles of a `DeltaABC`,then tan `(A+B)/(2)` is equal to :

A

`sin((C )/(2))`

B

`cos ((C )/(2))`

C

`cot ((C )/(2))`

D

`tan ((C )/(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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