Х = П/2 + 2Пп; х= 2Пп, п Є Z
cosx=k3/2
x=p/6+2pk
sin(2x-p/3)=-1
2x-p/3=-p/2+2pn
2x=-p/6+2pn
x=-p/12+pn
Х = П/2 + 2Пп; х= 2Пп, п Є Z
cosx=k3/2
x=p/6+2pk
cosx=k3/2
x=p/6+2pk
sin(2x-p/3)=-1
2x-p/3=-p/2+2pn
2x=-p/6+2pn
x=-p/12+pn