In any triangle `A B C ,` prove that: `\ a^3sin(B-C)+b^3sin(C-A)+c^3sin(A-B)=0`

In any triangle A B C , prove that: \ asin(B-C)+b sin(C-A)+csin(A-B)=0

In any triangle A B C , prove that: a^3cos(B-C)+b^3cos(C-A)+c^3cos(A-B)=3a b c

In any triangle A B C , prove that: acos((B-C)/2)=(b+c)sin(A/2)

In any DeltaABC prove that, a^(3)sin(B-C)+b^(3)sin(C-A)+c^(3)sin(A-B)=0 .

In any triangle A B C , prove that following: \ \ a^2sin(B-C)=(b^2-c^2)sinA

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 following: \ a(sin B-sin C)+b( sin C- sin A)+c(sin A-sin B)=0

In any triangle ABC, prove that sin^3Acos(B-C)+sin^3Bcos(C-A)+sin^3Ccos(A-B) = 3sinAsinBsinC

In any triangle A B C prove that: sin((B-C)/2)=((b-c)/a)cosA/2

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