Question

решите уравнение cos(х-п/3)=1

Answer 1

cos(х-п/3)=1
ОДЗ: x∈R
х-П/3=2Пn; n∈Z
x=П/3+2Пn; n∈Z

Answer 2

$cos(x- frac{ pi }{3} )=1 \ x- frac{ pi }{3} =2 pi n \ x= frac{ pi }{3} +2 pi n$

n ∈ Z