Решите уравнение \(\cos (x+8\pi)+\cos(20\pi-x)=\sqrt{3}.\) \(\frac{\pi}{6}+2{\pi}n, -\frac{\pi}{6}+2{\pi}n, n\in{Z}\) \(\frac{\pi}{6}, \frac{11\pi}{6}\) \(\frac{\pi}{3}+2{\pi}n, \frac{5\pi}{3}+2{\pi}n, n\in{Z}\) \(\frac{\pi}{6}+2{\pi}n\)

Задание

Решите уравнение \(\cos (x+8\pi)+\cos(20\pi-x)=\sqrt{3}.\)

\(\frac{\pi}{6}+2{\pi}n, -\frac{\pi}{6}+2{\pi}n, n\in{Z}\)
\(\frac{\pi}{6}, \frac{11\pi}{6}\)
\(\frac{\pi}{3}+2{\pi}n, \frac{5\pi}{3}+2{\pi}n, n\in{Z}\)
\(\frac{\pi}{6}+2{\pi}n\)