Ask a New Question

Prove That Sin2A+ Sin2B +SIN2C/sinA+SINB+SINC=8sinA/sinB/2COSC/2

1 answer

You need to clarify:
is sin2a sin^2(A) or sin(2A)?
is cosC/2= cos(C/2) or 1/2 Cos C?

Ask a New Question or answer this question.

Similar Questions

Prove That Sin2A+SIN2B+SIN2C/SINA+SINB+SINC=8SinA/2SINB/2SINC/2
1. 1 answer
If A + B + C = π, prove that: ( sin2A + sin2B + sin2C ) / ( sinA + sinB + sinC ) = 8 sin(A/2) sin(B/2) sin(C/2)
1. 2 answers
Prove that in any triangle ABC Sin2A+Sin2B+Sin2C/SinA+SinB+SinC=8Sin(A/2)Sin(B/2)Sin(C/2)
1. 1 answer
Prove that sinA+sinB+sinC=-4cosA/2cosB/2cosC/2
1. 1 answer

more similar questions