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In a triangle, with usual notations, the...

In a triangle, with usual notations, the length of the bisector of angle A is

A

`2(bc)/(b+c) sin"A/2`

B

`2(bc)/(b+c) cos"A/2`

C

`(abc)/(2R(b+c)) cosec"A/2`

D

`(4A)/(b+c) cosec"A/2`

Text Solution

Verified by Experts

The correct Answer is:
B, C
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