1. Для \(120^\circ\): \(\frac{120 \times \pi}{180} = \frac{2\pi}{3}\) радиан.
2. Для \(135^\circ\): \(\frac{135 \times \pi}{180} = \frac{3\pi}{4}\) радиан.
3. Для \(-144^\circ\): \(\frac{-144 \times \pi}{180} = -\frac{4\pi}{5}\) радиан.
Ответ: \(\frac{2\pi}{3}\), \(\frac{3\pi}{4}\), \(-\frac{4\pi}{5}\)