Question

Решите уравнение.

$ctg( \frac{ \pi x}{6})=- \frac{1}{ \sqrt{3} }$

Answer 1

ctg(πx/6)=-1/√3
πx/6=2π/3+πn
x=4+6n

Answer 2

ctg(πx/6)=-√3/3
πx/6=-π/3+πn
x/6=-1/3+n
x=6n-2