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Unit Circle Memory
| Question | Answer |
|---|---|
| 0° | 1, 0 |
| 30° | (√3/2), (1/2) |
| 45° | (√2/2), (√2/2) |
| 60° | (1/2), (√3/2) |
| 90° | 0, 1 |
| 120° | (-1/2), (√3/2) |
| 135° | (-√2/2), (√2/2) |
| 150° | (-√3/2), (1/2) |
| 180° | -1, 0 |
| 210° | (-√3/2), (-1/2) |
| 225° | (-√2/2), (-√2/2) |
| 240° | (-1/2), (-√3/2) |
| 270° | 0, -1 |
| 300° | (1/2), (-√3/2) |
| 315° | (√2/2), (-√2/2) |
| 330° | (√3/2), (-1/2) |
| 360° | 1, 0 |
| 2π r | 1, 0 |
| π/6 r | (√3/2), (1/2) |
| π/4 r | (√2/2), (√2/2) |
| π/3 r | (1/2), (√3/2) |
| π/2 r | 0, 1 |
| 2π/3 r | (-1/2), (√3/2) |
| 3π/4 r | (-√2/2), (√2/2) |
| 5π/6 r | (-√3/2), (1/2) |
| π r | -1, 0 |
| 7π/6 r | (-√3/2), (-1/2) |
| 5π/4 r | (-√2/2), (-√2/2) |
| 4π/3 r | (-1/2), (-√3/2) |
| 3π/2 r | 0, -1 |
| 5π/3 r | (1/2), (-√3/2) |
| 7π/4 r | (√2/2), (-√2/2) |
| 11π/6 r | (√3/2), (-1/2) |