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Trig. Functions
Unit Circle Trig Functions
| Question | Answer |
|---|---|
| sin(0°) | 0 |
| cos(0°) | 1 |
| tan(0°) | 0 |
| sin(30°) | 1/2 |
| cos(30°) | √3/2 |
| tan(30°) | √3/3 |
| sin(45°) | √2/2 |
| cos(45°) | √2/2 |
| tan(45°) | 1 |
| sin(60°) | √3/2 |
| cos(60°) | 1/2 |
| tan(60°) | √3 |
| sin(90°) | 1 |
| cos(90°) | 0 |
| tan(90°) | undefined |
| sin(180°) | 0 |
| cos(180°) | -1 |
| tan(180°) | 0 |
| sin(270°) | -1 |
| cos(270°) | 0 |
| tan(270°) | undefined |