[" (32) Preove that "],[sin alpha+sin beta+sin gamma-8sin(alpha+beta+gamma)],[=4sin((alpha+beta)/(2))sin((beta+gamma)/(2))sin((alpha+gamma)/(2))]

Prove that: sin alpha+sin beta+sin gamma-sin(alpha+beta+gamma)=4sin((alpha+beta)/(2))sin((beta+gamma)/(2))sin((gamma+alpha)/(2))

Prove that: sin alpha+sin beta+sin gamma-sin(alpha+beta+gamma)=4sin((alpha+beta)/(2))*sin((beta+gamma)/(2))*sin((gamma+alpha)/(2))

Prove that: sinalpha+sinbeta+singamma-sin(alpha+beta+gamma)=4sin((alpha+beta)/2)sin((beta+gamma)/2)sin((gamma+alpha)/2)dot

Show that sinalpha+sinbeta+singamma-sin(alpha+beta+gamma)=4sin ((alpha+beta)/2) sin((beta+gamma)/2)sin((gamma+alpha)/2)

"Prove that : " sin alpha + sin beta + sin gamma - sin ( alpha + beta + gamma) =4 "sin" (alpha+beta)/2 "sin"(beta + gamma)/2 "sin"(gamma+alpha)/2

Prove the following: "sin" alpha+"sin" beta+"sin" gamma-"sin"(alpha+beta+gamma)=4"sin"(alpha+beta)/(2)"sin"(beta+gamma)/(2)"sin"(gamma+alpha)/(2)

sin 2 alpha + sin 2 beta + sin 2 gamma - sin2(alpha + beta + gamma )=

Prove the following : sin alpha+ sin beta+ sin gamma - sin (alpha+beta+gamma)= 4sin frac (alpha+beta)(2) sin frac (beta+gamma)(2) sin frac (gamma+alpha)(2) .

cos alpha sin (beta-gamma)+cos betasin (gamma-alpha+cos gamma sin (alpha-beta)=

sin(beta+gamma-alpha)+sin(gamma+alpha-beta)+sin(alpha+beta-gamma)-sin(alpha+beta+gamma)=