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In Delta ABC, sum ( tan ""(A)/(2))/( (s...

In `Delta ABC, sum ( tan ""(A)/(2))/( (s-b)(s-c))`=

A

` ( 2)/( s^(2))`

B

` (2)/(Delta)`

C

` ( 1)/( s^(2))`

D

` (3)/(Delta ) `

Text Solution

Verified by Experts

The correct Answer is:
D
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