In any triangle `A B C` , prove that following: `\ \ asinA/2sin((B-C)/2)+bsinB/2sin((C-A)/2)+sin((A-B)/2)=0.`

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

In any triangle ABC, prove that following: b sin B-C sin C=a sin(B-C)

In any triangle ABC, prove that following: (a-b)(cos C)/(2)c sin((A-B)/(2))

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

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

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

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

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

In any triangle ABC,prove that a sin (B-C)+b sin(C-A)+c sin(A-B)=0

In a triangle ABC, prove that :a sin((A)/(2)+B)=(b+c)sin((A)/(2))