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

In any triangle ABC prove that (a^(2)sin(B-C))/(sinA)+(b^(2)sin(C-A))/(sinB)+(c^(2)sin(A-B))/(sinC)=0

(ix) (a^(2) sin (B-C))/(sinA) + (b^(2) sin (C-A))/(sin B) + (c^(2) sin (A-B))/(sin C)=0

In any triangle ABC, prove that (a^(2)sin(B-C))/(sin B + sinC) + (b^(2)sin(C-A))/(sinC + sinA) +(c^(2)sin(A-B))/(sinA + sinB)=0

In a triangle ABC, prove that (a^2sin(B-C))/sinA+(b^2sin(C-A))/sinB+(c^2sin(A-B))/sinC=0

Prove that (a^2sin(B-C))/(sinb+sinC)+(b^2"sin"(C-A))/(sinC+sinA)+(c^2"sin"(A-B))/(sinA+sinB)=0

Prove that (a^2sin(B-C))/(sinB+sinC)+(b^2"sin"(C-A))/(sinC+sinA)+(c^2"sin"(A-B))/(sinA+sinB)=0

Prove that (a^2sin(B-C))/(sinb+sinC)+(b^2"sin"(C-A))/(sinC+sinA)+(c^2"sin"(A-B))/(sinA+sinB)=0

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

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

In any DeltaABC , find the value of (a^(2)sin(B-C))/(sinB+sinC)+(b^(2)sin(C-A))/(sinC+sinA)+(c^(2)sin(A-B))/(sinA+sinB)