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In a DeltaABC,sum(b+c)tan""A/2tan((B-C)/...

In a `DeltaABC,sum(b+c)tan""A/2tan((B-C)/2)=`

A

`a`

B

` b `

C

` c `

D

` 0 `

Text Solution

Verified by Experts

The correct Answer is:
D
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