Show that: `s inAs in(B-C)+sinB s in(C-A)+sinCs in(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

Show that sinA*sin(B-C)+sinB*sin(C-A)+sinC*sin(A-B)=0 .

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

Prove that (sin(B-C))/(sinB.sinC) + (sin(C-A))/(sinCsinA) + (sin(A-B))/(sinA.sinB) = 0

In a triangle ABC, prove that (a^2sin(B-C))/sinA+(b^2sin(C-A))/sinB+(c^2sin(A-B))/sinC=0

If A,B and C are the angle of a triangle show that |{:(sin2A,sinC,sinB),(sinC,sin2B,sinA),(sinB,sinA,sin2C):}|=0.

If A,B and C are the angle of a triangle show that |{:(sin2A,sinC,sinB),(sinC,sin2B,sinA),(sinB,sinA,sin2C):}|=0.

If A+B+C=pi , prove that : sin (B+C-A) + sin (C+A-B) + sin (A+B-C)=4sinA sinB sinC

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