Решите неравенство cos x-sqrt(2)cos 2x+sin x 0.

x \in \left[\frac{3\pi}{4}+2n\pi,\ \frac{17\pi}{12}+2n\pi\right] \cup \left[-\frac{\pi}{4}+2n\pi,\ \frac{\pi}{12}+2n\pi\right],\ n\in\mathbb{Z}