1. Для \(55^\circ\): \(\frac{55 \times \pi}{180} = \frac{11\pi}{36}\) радиан.
2. Для \(150^\circ\): \(\frac{150 \times \pi}{180} = \frac{5\pi}{6}\) радиан.
3. Для \(-135^\circ\): \(\frac{-135 \times \pi}{180} = -\frac{3\pi}{4}\) радиан.
Ответ: \(\frac{11\pi}{36}\), \(\frac{5\pi}{6}\), \(-\frac{3\pi}{4}\)