`(sin(A-C)+2sinA+sin(A+C))/(sin(B-C)+2sinB+sin(B+C))` is equal to

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

Prove that: (sin(A-C)+2sinA+sin(A+C)) / ("sin"("B"-"C")+2sinB+"sin"(B+C)) = (sinA)/(sinB)

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

Prove that: (sin(A-C)+2sin A+sin(A+C))/(sin(B-C)+2sin B+sin(B+C))=(sin A)/(sin B)

(sin2A+sin2B+sin2C)/(sinA+sinB +sinC) is equal to

(sin2A+sin2B+sin2C)/(sinA+sinB +sinC) is equal to

If A, B, C are the angles of a triangle, then the determinant Delta = |(sin 2 A,sin C,sin B),(sin C,sin 2B,sin A),(sin B,sin A,sin 2 C)| is equal to

If in a triangle ABC ,(sin A+sin B +sin C)(sinA+sinB-sin C)=3sinAsinB then angle C is equal to