Cosine Calculator
Need to find the cosine of an angle, whether in degrees or radians? This cos calculator has you covered! It's handy for solving geometry problems with right triangles, circles, and more. Just enter the angle, and you'll get the cosine (cos(x)) quickly and easily!
Cosine Table
The table below shows common angles and the cosin value for each of them.
| x (°) | x (rad.) | sine(x) |
| 0° | 0 | 1 |
| 30° | π/6 | 0.866025 |
| 45° | π/4 | 0.707107 |
| 60° | π/3 | 0.50 |
| 90° | π/2 | 0 |
| 120° | 2π/3 | -0.50 |
| 135° | 3π/4 | -0.707107 |
| 150° | 5π/6 | -0.866025 |
| 180° | π | -1 |