Тригонометрическое уравнение: ctg(x/2+pi/8)=sqrt3
Ctg(x/2 + π/8) = √3 x/2 + π/8 = π/6 + πk, k∈Z x/2 = π/6 - π/8 + πk = π/24 + πk, k∈Z x = π/12 + 2πk, k∈Z