Question

in triangle abc prove that (b-c)cot/2+(c-a)cot/2+(a-b)cot (c/2) =0​

Answer 1

Question →

$(b - c) \cot( \frac{a}{2} ) + (c - a) \cot( \frac{b}{2} ) + (a - b) \cot( \frac{c}{2} ) = 0$

Answer refers to the attachment.

Answer 2

Step-by-step explanation:

haa mujhe bak bak karni atti hai kyu kya hua