cos(x/2-pi/3)=0 решите

Решение
Cos(x/2-pi/3)=0 
x/2 - π/3 = π/2 + πk, k ∈ Z
x/2 = π/2 + π/3 + πk, k ∈ Z
x/2 = 5π/6 + πk, k ∈ Z
x = 5π/3 + 2πk, k ∈ Z