Задача Задача №3769999
А
А
- \(\operatorname{arctg}2+\pi n;\ \frac{\pi}{2}+\pi n,\ n\in\mathbb Z\)
- \(\pm\frac{\pi}{3}+2\pi n;\ (-1)^n\arcsin\!\left(-\frac23\right)+\pi n,\ n\in\mathbb Z\)
- \(\pi+2\pi n,\ n\in\mathbb Z\)
- \(\pm\frac{\pi}{3}+2\pi n,\ n\in\mathbb Z\)
- \(\pm\arccos\!\left(-\frac23\right)+2\pi n,\ n\in\mathbb Z\)
