Решите уравнение cos(2x+п/6)=1/2 помогите пожалуйста
Cos(2x +π/6)=1/2 2x+π/6 = π/3 + 2πk и 2x+π/6 = -π/3 + 2πk k∈Z 2x= π/3-π/6 +2πk и 2x= -π/3-π/6 +2πk 2x= π/6+2πk и 2x= -π/2+2πk x=π/12+πk и x = -π/4+πk k∈Z