Ctg(x-п/6)=-корень из 3 деленное на 3
Решение ctg(x - π/6) = - 3/√3 x - π/6 = arcctg(-3/√3) + πk, k∈Z x - π/6 = 2π/3 + πk, k∈Z x = π/6 + 2π/3 + πk, k∈Z x = 5π/6 + πk, k∈Z