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If the bisector of the angle A of DeltaA...

If the bisector of the angle A of `DeltaABC` makes an angle `theta` with BC, then `sin theta` equals

A

`cos""(B-C)/2`

B

`sin""(B -C)/2`

C

`sin (B -A/2)`

D

`sin(C - A/2)`

Text Solution

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The correct Answer is:
A
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