решите неравенство sin([tex] \pi /3[/tex]-2x)*cos([tex] \pi /3[/tex]-2x)[tex] \geq [/tex] -[tex] \sqrt{3} /4[/tex

1/2*sin(2π/3-4x)≥√3/4sin(2π/3-4x)≥√3/2sin(4x-2π/3≤-√3/24π/3+2πn≤4x-2π/3≤5π/3+2πn2π+2πn≤4x≤7π/3+2πnπ/2+πn/2≤x≤7π/12+πn/2,n∈z