Trigonometric Table: Sine, Cosine and Tangent
sin 30° = 0.5, cos 60° = 0.5, tan 45° = 1.
Angles are in degrees, with exact radian equivalents. Function values are rounded to six decimals. Tangent is undefined at 90° and 270° because cosine is zero.
| Degrees | Radians | sin θ | cos θ | tan θ |
|---|---|---|---|---|
| 0 | 0 | 0.000000 | 1.000000 | 0.000000 |
| 15 | π/12 | 0.258819 | 0.965926 | 0.267949 |
| 30 | π/6 | 0.500000 | 0.866025 | 0.577350 |
| 45 | π/4 | 0.707107 | 0.707107 | 1.000000 |
| 60 | π/3 | 0.866025 | 0.500000 | 1.732051 |
| 75 | 5π/12 | 0.965926 | 0.258819 | 3.732051 |
| 90 | π/2 | 1.000000 | 0.000000 | Undefined |
| 105 | 7π/12 | 0.965926 | -0.258819 | -3.732051 |
| 120 | 2π/3 | 0.866025 | -0.500000 | -1.732051 |
| 135 | 3π/4 | 0.707107 | -0.707107 | -1.000000 |
| 150 | 5π/6 | 0.500000 | -0.866025 | -0.577350 |
| 165 | 11π/12 | 0.258819 | -0.965926 | -0.267949 |
| 180 | π | 0.000000 | -1.000000 | 0.000000 |
| 195 | 13π/12 | -0.258819 | -0.965926 | 0.267949 |
| 210 | 7π/6 | -0.500000 | -0.866025 | 0.577350 |
| 225 | 5π/4 | -0.707107 | -0.707107 | 1.000000 |
| 240 | 4π/3 | -0.866025 | -0.500000 | 1.732051 |
| 255 | 17π/12 | -0.965926 | -0.258819 | 3.732051 |
| 270 | 3π/2 | -1.000000 | 0.000000 | Undefined |
| 285 | 19π/12 | -0.965926 | 0.258819 | -3.732051 |
| 300 | 5π/3 | -0.866025 | 0.500000 | -1.732051 |
| 315 | 7π/4 | -0.707107 | 0.707107 | -1.000000 |
| 330 | 11π/6 | -0.500000 | 0.866025 | -0.577350 |
| 345 | 23π/12 | -0.258819 | 0.965926 | -0.267949 |
| 360 | 2π | 0.000000 | 1.000000 | 0.000000 |