Arccos Calculator
Calculate the arccosine (inverse cosine) based on the input data.
°
rad
Arccosine function is the inverse function of cosine. It is commonly used in trigonometry and geometry.
How to use the Arccos Calculator?
- Enter the value of the cosine that you want to find the angle for in the "Arccosine" field.
- Click on the "Calculate" button.
- Check the angle in degrees and radians in their respective fields.
Examples
| Arccos | ° | rad |
|---|---|---|
| 1 | 0° | 0 |
| 0.5 | 60° | π/3 |
| 0 | 90° | π/2 |
| -0.5 | 120° | 2π/3 |
| -1 | 180° | π |