Special Angles Memory Quiz
Order by
12 terms
Terms | Definitions |
|---|---|
 30° Family | 30°, 150°, 210°, 330° |
| 45° Family | 45°, 135°, 225°, 315° |
| 60° Family | 60°, 120°, 240°, 300° |
| Quadrant I | All are positive |
| Quadrant II | Sine is positive |
| Quadrant III | Tan is equal (sin and cos negative) |
| Quadrant IV | Cosine is positive |
| 0° and 180° | Sin = 0 Cos0° = 1 Cos180° = −1 |
| 90° and 270° | Sin90° = 1 Sin180° = −1 Cos = 0 |
| 30° Family (sin and cos) | Sin = ½ Cos = (√3)/2 |
| 45° Family (sin and cos) | Sin = (√2)/2 Cos = (√2)/2 |
| 60° Family (sin and cos) | Sin = (√3)/2 Cos = ½ |
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