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Unit Circle
| Degree | Radian | Cos, Sin |
|---|---|---|
| 0 | 0 | (1, 0) |
| 30 | π/6 | (√3/2 , 1/2) |
| 45 | π/4 | (√2/2, √2/2) |
| 60 | π/3 | (1/2, √3/2) |
| 90 | π/2 | (0, 1) |
| 120 | 2π/3 | (-1/2, √3/2) |
| 135 | 3π/4 | (-√2/2, √2/2) |
| 150 | 5π/6 | (-√3/2, 1/2) |
| 180 | π | (-1, 0) |
| 210 | 7π/6 | (-√3/2, -1/2) |
| 225 | 5π/4 | (-√2/2, -√2/2) |
| 240 | 4π/3 | (-1/2, -√3/2) |
| 270 | 3π/2 | (0, -1) |
| 300 | 5π/3 | (1/2, -√3/2) |
| 315 | 7π/4 | (√2/2, -√2/2) |
| 330 | 11π/6 | (√3/2, -1/2) |