Решите уравнение \(\cos 3x+\sin x\sin 2x=0.\) \(\frac{\pi}{2}+\pi k; \frac{\pi}{4}+\frac{\pi n}{2}, n,k\in Z\) \(\frac{\pi}{2}+2\pi k; \frac{\pi}{4}+\pi n, n,k\in Z\) \(\frac{\pi}{2}+2\pi k; \pm\frac{\pi}{4}+\pi n, n,k\in Z\) \(\frac{\pi}{2}+\pi k; (-1)^n\frac{\pi}{4}+\pi n, n,k\in Z\)

Задание

Решите уравнение \(\cos 3x+\sin x\sin 2x=0.\)

\(\frac{\pi}{2}+\pi k; \frac{\pi}{4}+\frac{\pi n}{2}, n,k\in Z\)
\(\frac{\pi}{2}+2\pi k; \frac{\pi}{4}+\pi n, n,k\in Z\)
\(\frac{\pi}{2}+2\pi k; \pm\frac{\pi}{4}+\pi n, n,k\in Z\)
\(\frac{\pi}{2}+\pi k; (-1)^n\frac{\pi}{4}+\pi n, n,k\in Z\)