Question

Решите пожалуйста 2cos(2x-П/3)=1

Answer 1

cos(2x-π/3)=1/2
2x-π/3=-π/3+2πn U 2x-π/3=π/3+2πk
2x=2πn U x=2π/3=2πk
x=πn,n∈z U x=π/3=πk,k∈z