Cosine Calculator
Cosine expression calculator
Expression with cos(angle deg|rad):
Inverse cosine 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 |