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

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

In Delta ABC prove that (b^2-c^2)/(a^2) sin2A + (c^2-a^2)/(b^2) sin2B + (a^2-b^2)/(c^2) sin 2C=0

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

In any triangle ABC, prove that : ((b^2-c^2))/a^2 sin 2A+ ((c^2-a^2))/b^2 sin 2B+ ((a^2-b^2))/c^2 sin2C=0 .

In a Delta A B C , prove that: ((b^2-c^2)/(a^2))sin2A+((c^2-a^2)/(b^2))sin2B+((a^2-b^2)/(c^2))sin2C=0

For any triangle ABC, prove that (b^2-c^2)/(a^2)sin2A+(c^2-a^2)/(b^2)sin2B+(a^2-b^2)/(c^2)sin2C=0

In any DeltaABC , prove that, (b^(2)-c^(2))/a^(2)sin2A+(c^(2)-a^(2))/b^(2)sin2B+(a^(2)-b^(2))/c^(2)sin2C=0 .

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

In any DeltaABC , prove that a^(2)sin(B-C)=(b^(2)-c^(2))sinA