Значения нестандартных углов
| α | 2π/3 (120°) | 3π/4 (135°) | 5π/6 (150°) | 7π/6 (210°) | 5π/4 (225°) | 4π/3 (240°) | 5π/3 (300°) | 7π/4 (315°) | 11π/6 (330°) |
| sin α | | | | | | | | | |
| cos α | | | | | | | |||
| tg α | | -1 | | | 1 | | | -1 | |
| ctg α | | -1 | | | 1 | | | -1 | |
| α | π/12 | π/10 | π/8 | π/5 | 3π/10 | 3π/8 | 2π/5 | 5π/12 |
| sin α | | | | | | | | |
| cos α | | | | | | | | |
| tg α | 2- | | | | | | | 2+ |
| ctg α | 2+ | | | | | | | |