1.

`triangleABC` में `tan ((A)/(2)) =`A. `sqrt(((s-c)(s-a))/(s(s-b)))`B. `sqrt(((s-b)(s-c))/(s(s-a)))`C. `sqrt(((s-a)(s-b))/(s(s-c)))`D. `sqrt(((s-c))/(s(s-b)(s-c)))`

Answer» Correct Answer - B


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