Cos 285 degrees
| Input |
|---|
| cos(285 °) |
| Exact result |
| (sqrt(3) – 1)/(2 sqrt(2)) |
| Decimal approximation |
| 0.258819045102520762348898837624048328349068901319930513814… |
| Reference triangle for angle 285° |
|
width | cos(285 °) = (sqrt(3) – 1)/(2 sqrt(2))~~0.258819 height | sin(285 °) = -(1 + sqrt(3))/(2 sqrt(2))~~-0.965926 |
| Minimal polynomial |
| 16 x^4 – 16 x^2 + 1 |
| Continued fraction |
| [0; 3, 1, 6, 2, 1, 30, 5, 2, 9, 3, 1, 10, 5, 5, 2, 10, 1, 4, 1, 23, 2, 2, 1, 1, 3, 1, 4, 1, 6, …] |