In a triangle ABC, Prove that asin(B-C) + bsin(C-A) + csin(A-B) = 0

In a triangle ABC, Prove that asin(B-C) + bsin(C-A) + csin(A-B) = 0 

[ISM 1973; BIT(Mesra)]

SOLUTION

BY : V K PANDEY

KEYWORDS :Geeks Networks, mathsmania, NCERT solved answers, trigonometric functions, trigonometry,