In any `DeltaABC`, prove that `(sin B)/(sin(B+C) ) = b/a`

In any Delta ABC, prove that: (sin B)/(sin C)=(c-a cos B)/(b-a cos C)

In any Delta ABC ,prove that (sin B)/(sin C)=(c-a cos B)/(b-a cos C)

In any DeltaABC , prove that ("sin(A-B)")/("sin(A+B)")=((a^(2)-b^(2)))/c^(2)

In any DeltaABC, prove that : (a^2 sin (B-C))/(sin A) + (b^2 sin (C-A))/(sin B) + (c^2 sin (A-B))/(sin C) = 0

In any triangle ABC, prove that: (sin(B-C))/(sin(B+C))=(b^(2)-c^(2))/(a^(2))

In any Delta ABC, prove that (sin A)/(a)=(sin B)/(b)=(sin C)/(c) by vecter method.

In any DeltaABC , prove that "a sin (B - C) + bsin(C - A) + csin(A - B)=0 .

In any Delta ABC, prove that :(a^(2)sin(B-C))/(sin B+sin C)+(b^(2)sin(C-A))/(sin C+sin A)+(c^(2)sin(A-B))/(sin A+sin B)=0

In any Delta ABC prove that :sin(A-B)(sin(A-B))/(sin(A+B))=(a^(2)-b^(2))/(c^(2))

In any Delta ABC , prove that a("sin B - sin C")+b("sin C - sinA")+c("sinA - sinB")=0 .