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Trig Functions
| sin/tan/cos # | π | answer |
|---|---|---|
| sin 0 | none | 0 |
| sin 30 | π/6 | 1/2 |
| sin 45 | π/4 | √2/2 |
| sin 60 | π/3 | √3/2 |
| sin 90 | π/2 | 1 |
| sin 180 | π | 0 |
| sin 270 | 3π/2 | -1 |
| cos 0 | none | 1 |
| cos 30 | π/6 | √3/2 |
| cos 45 | π/4 | √2/2 |
| cos 60 | π/3 | 1/2 |
| cos 90 | π/2 | 0 |
| cos 180 | π | -1 |
| cos 270 | 3π/2 | 0 |
| tan 0 | none | 0 |
| tan 30 | π/6 | √3/3 |
| tan 45 | π/4 | 1 |
| tan 60 | π/3 | √3 |
| tan 90 | π/2 | undefined |
| tan 180 | π | 0 |
| tan 270 | 3π/2 | undefined |