In any `DeltaABC`, prove that `a(bcosC-c cosB)=(b^(2)-c^(2))`A. `c^(2) – InterviewSolution

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1.	In any `DeltaABC`, prove that `a(bcosC-c cosB)=(b^(2)-c^(2))`A. `c^(2)-b^(2)`B. `b^(2)-c^(2)`C. `2(c^(2)-b^(2))`D. `2(b^(2)-c^(2))`
Answer» Correct Answer - B

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