Cosine Calculator
Sine calculator ►
Cosine expression calculator
Expression with cos(angle deg|rad):
Inverse cosine calculator
Arccos calculator ►
Cosine table
| x (deg) |
x (rad) |
cos x |
| 180° |
π |
-1 |
| 150° |
5π/6 |
-√3/2 |
| 135° |
3π/4 |
-√2/2 |
| 120° |
2π/3 |
-1/2 |
| 90° |
π/2 |
0 |
| 60° |
π/3 |
1/2 |
| 45° |
π/4 |
√2/2 |
| 30° |
π/6 |
√3/2 |
| 0° |
0 |
1 |
See also