Find the general solution of the equation sin mx+sin nx=0
Or
Find the general solution of the equations sin2x+sin4x+sin6x=0
x=2p−πm+n or x=(2q+1)πm−n, where p,qϵl
x=nπ4 or x=(mπ±π3), where m,nϵl
Find the general solutions of sin 2x - sin 4x + sin 6x = 0.