2cos (X - π/6)= 1 помогите решить,срочно!!!

2cos(x-π/6)=1// cos(x-π/6)=1/2// x-π/6=π/3+2πn x1=3π/6+2πn x1=π/2+2πn // x-π/6=-π/3+2πn x2=-π/6+2πn