If a, b, c are the sides and A, B, C are the angles of a triangle \[ABC\], then \[\tan \left( \frac{A}{2} \right)\]is equal to [MP PET 1994]

\[\sqrt{\frac{(s-a)(s-b)}{s(s-c)}}\]

\[\sqrt{\frac{(s-c)(s-a)}{s(s-b)}}\]

\[\sqrt{\frac{(s-b)(s-c)}{s(s-a)}}\]

\[\sqrt{\frac{(s-a)s}{(s-b)(s-c)}}\]

If a, b, c are the sides and A, B, C are the angles of a triangle \[AB

1.	If a, b, c are the sides and A, B, C are the angles of a triangle \[ABC\], then \[\tan \left( \frac{A}{2} \right)\]is equal to [MP PET 1994]
A.	\[\sqrt{\frac{(s-c)(s-a)}{s(s-b)}}\]
B.	\[\sqrt{\frac{(s-b)(s-c)}{s(s-a)}}\]
C.	\[\sqrt{\frac{(s-a)(s-b)}{s(s-c)}}\]
D.	\[\sqrt{\frac{(s-a)s}{(s-b)(s-c)}}\]
Answer» C. \[\sqrt{\frac{(s-a)(s-b)}{s(s-c)}}\]

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If a, b, c are the sides and A, B, C are the angles of a triangle \[ABC\], then \[\tan \left( \frac{A}{2} \right)\]is equal to [MP PET 1994]

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