Ctg(pix/4)=-1/корень 3

Question

Ctg(pix/4)=-1/корень 3

Answer 1

Ctg (π*x/4) = -1/√3
π*x/4 = -π/3 + π*n (n∈Z) |:π
x/4 = -1/3 + n | *4
x = -4/3 + 4n
x = 4/3(3n-1)
Ответ: 4/3(3n-1); n∈Z