Решить уравнение \(\cos {x} = \frac{1}{2}\) . \(\pm \frac{\pi}{3} +2\pi k, k\in Z\) \(\pm \frac{2\pi}{3}+2\pi k, k\in Z\) нет решения \(\pm \frac{5\pi}{4}+2\pi k, k\in Z\) \(\pm \frac{3\pi}{4}+2\pi k, k\in Z\) \(\pm \frac{\pi}{6}+2\pi k, k\in Z\) \(\pm \frac{5\pi}{6}+2\pi k, k\in Z\)

Задание

Решить уравнение \(\cos {x} = \frac{1}{2}\) .

\(\pm \frac{\pi}{3} +2\pi k, k\in Z\)
\(\pm \frac{2\pi}{3}+2\pi k, k\in Z\)
нет решения
\(\pm \frac{5\pi}{4}+2\pi k, k\in Z\)
\(\pm \frac{3\pi}{4}+2\pi k, k\in Z\)
\(\pm \frac{\pi}{6}+2\pi k, k\in Z\)
\(\pm \frac{5\pi}{6}+2\pi k, k\in Z\)