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Let R be the circumradius of DeltaABC. T...

Let R be the circumradius of `DeltaABC`. Then `(b^(2)-c^(2))/(2aR)` equals

A

`cosB-cosC`

B

`cos(B-c)`

C

`sin(B-C)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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