Question

Решите .
cos(x/2+π/3)=1/2

Answer 1

X/2=π/3+π/3+2πn,n €Z
X=2×π/3+2π/3+4πn,n €Z
X=2π/3+2π/3+4πn,n €Z
(X=4π/3+4πn,n €Z)