In `triangleABC, (cos((B-C)/(2)))/(sin(A/2))=`A. `(b-c)/(a)`B. `(b+c)/ – InterviewSolution

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1.	In `triangleABC, (cos((B-C)/(2)))/(sin(A/2))=`A. `(b-c)/(a)`B. `(b+c)/(a)`C. `(a)/(b-c)`D. `(a)/(b+c)`
Answer» Correct Answer - B

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