Решить уравнение cos(2x-pi/3)>0
Cos(2x-π/3)>0 2x-π/3€(-π/2+2πk;π/2+2πk)k€Z 2x€(-π/6+2πk;5π/6+2πk)k€Z x€(-π/12+πk;5π/12+πk)k€Z