Prove that:
`sinAsin(B-C)+sinBsin(C-A)+sinCsin(A-B)=0`

Show that: sinAsin(B-C)+sinB sin(C-A)+sinCsin(A-B)=0

Show that: sinAsin(B-C)+sinB sin(C-A)+sinCsin(A-B)=0

Prove the sinA.sin(B-C) + sinB.sin(C-A) + sinC.sin(A-B) = 0

Prove that cosAsin(B-C)+cosBsin(C-A)+cosCsin(A-B)=0

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

In DeltaABC , prove that: asin(B-C)+bsin(C-A)+csinA-B)=0

Prove that: sin(A+2B)sinA-sinBsin(2A+B)sinB=sin(A+B)sin(A-B)

Prove that: sin(A+2B)sinA-sinBsin(2A+B)sinB=sin(A+B)sin(A-B)

For DeltaABC , prove that, asin(B-C)+bsin(C-A)+csin(A-B)=0 .

In DeltaABC if sinA.sin(B-C)= sinC.sin(A-B),then-(A!=B!=C) (A) tanA, tanB, tanC are in arithmetic progression (B) cotA, cotB, cotC are in arithmetic progression (C) cos2A, cos2B, cos2C are in arithmetic progression (D) sin2A. sin2B. sin2C are in arithmetic progression