корень из 3 tg*(x/3-пи/3)=3

√3 * tg(x/3 - π/3)) = 3tg(x/3 - π/3) = 3/√3tg(x/3 - π/3) = √3x/3 - π/3 = arctg(√3)x/3 - π/3 = π/3x=2π