(b^(2)-c^(2))/(a^(2))sin2A+(c^(2)-a^(2))/(b^(2))sin2B+(a^(2)+b^(2))/(c^(2))sin2C=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 2a"+((c^(2)-a^(2)))/b^(2)" sin 2B+"((a^(2)-b^(2)))/c^(2)"sin 2C=0"

Show that in a triangle ABC, (b^2-c^2)/a^2sin2A+(c^2-a^2)/b^2sin2B+(a^2-b^2)/c^2sin2C=0

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 .

(x) (a sin(B-C))/(b^(2)-c^(2)) = (b sin (C-A))/(c^(2)-a^(2)) = (c sin(A-B))/(a^(2)-b^(2))

Prove that (a sin(B-C))/(b^(2)-c^(2))=(b sin(C-A))/(c^(2)-a^(2))=(c sin(A-B))/(a^(2)-b^(2))

Show that (a sin (B-C))/( b^(2) - c^(2)) - ( b sin (C-A))/( c^(2) - a^(2)) - ( c sin ( A- B))/( a^(2) -b^(2))

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