Задание
Укажите все ответы уравнения \(\sqrt{2}\cos{2x}=-1\)
- \(\frac{3\pi}{8}+\pi{n}; n\in{Z}\)
- \(\frac{5\pi}{8}+\pi{n}; n\in{Z}\)
- \(\frac{\pi}{4}+2\pi{n}; n\in{Z}\)
- \(\frac{\pi}{8}+\pi{n}; n\in{Z}\)
- \(-\frac{\pi}{8}+\pi{n}; n\in{Z}\)
- \(\frac{7\pi}{8}+\pi{n}; n\in{Z}\)
- \(-\frac{7\pi}{8}+\pi{n}; n\in{Z}\)
- нет решений
- \(\frac{\pi}{4}+\pi{n}; n\in{Z}\)
- \(-\frac{\pi}{2}+\pi{n}; n\in{Z}\)
- \(\frac{3\pi}{4}+\pi{n}; n\in{Z}\)