Dar açıların trigonometrik oranları
| sin() | cos() | tan() | cot() | sec() | csc() | |
| 0 | 0 | 1 | 0 | – | 1 | – |
| /6 | 1/2 | /2 | /3 | 2/3 | 2 | |
| /4 | /2 | /2 | 1 | 1 | ||
| /3 | /2 | 1/2 | /3 | 2 | 2/3 | |
| /2 | 1 | 0 | – | 0 | – | 1 |
| 2/3 | /2 | -1/2 | – | -/3 | -2 | 2/3 |
| 3/4 | /2 | -/2 | -1 | -1 | – | |
| 5/6 | 1/2 | -/2 | -/3 | – | -2/3 | 2 |
| 0 | -1 | 0 | – | -1 | – |
| sin() | cos() | tan() | cot() | sec() | csc() | |
| 0 | 0 | 1 | 0 | – | 1 | – |
| /6 | 1/2 | /2 | /3 | 2/3 | 2 | |
| /4 | /2 | /2 | 1 | 1 | ||
| /3 | /2 | 1/2 | /3 | 2 | 2/3 | |
| /2 | 1 | 0 | – | 0 | – | 1 |
| 2/3 | /2 | -1/2 | – | -/3 | -2 | 2/3 |
| 3/4 | /2 | -/2 | -1 | -1 | – | |
| 5/6 | 1/2 | -/2 | -/3 | – | -2/3 | 2 |
| 0 | -1 | 0 | – | -1 | – |
