ESPRESSIONI GONIOMETRICHE
Prof. Mauro La Barbera
| sen180° + 2cos90° + 2cos180° + 3sen90° – cos360° = | 0 |
| 3sen0° + 2cos270° – 4cos180° – 3sen90° + cos360° = | 2 |
| 2cos90° + 3sen90° – 2cos270° + 3sen360° – tg180° = | 3 |
| 2cos45° + sen45° – 2cos135° + 3sen225° + 2sen315° = | 0 |
| sen30° + 2cos60° – cos300° – sen60° + cos30° = | 1 |
| 3sen360° – cos270° + tg360° – 5sen180° + 4cos0° = | 4 |
| sen90° – 2cos180° + 3tg180° – ctg90° –
cos540° = | 4 |
| 4cos²45° – 4sen²60° – 3tg²30° = | – 2 |
| sen3π + cos4π – senπ – cos6π – sen5π/2 = | – 1 |
| cos7π/2 + sen4π – sen6π – tg3π – cos3π = | 1 |