Question

нули функции y=cos(x+π3)

Answer 1

y=cos(x+π/3);
cos(x+π/3)=0;
x+π/3=π/2+πn, n∈Z;
x=π/2-π/3+πn, n∈Z.
x=π/6+πn, n∈Z.
Ответ: π/6+πn, n∈Z.