if A,B,C are the interior angles of a triangle ABC, then prove that
(i) tan(C+A/2) =cot B/2
(ii)sin(B+C/2) =cos A/2

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if A,B,C are the interior angles of a triangle ABC, then prove
that
(i) tan(C+A/2) =cot B/2
(ii)sin(B+C/2) =cos A/2

Priyanka Kedia · Accepted Answer

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if A,B,C are the interior angles of a triangle ABC, then prove that (i) tan(C+A/2) =cot B/2(ii)sin(B+C/2) =cos A/2

if A,B,C are the interior angles of a triangle ABC, then prove that
(i) tan(C+A/2) =cot B/2
(ii)sin(B+C/2) =cos A/2