Arctan Calculator
Calculate the Arctan (inverse tangent) angle in degrees and radians.
°
rad
The Arctan (inverse tangent) function is the inverse function of tangent.
How to calculate Arctan?
- Enter the tangent value in the "arctan" field.
- Click the "calculate" button.
- Get the Arctan angle in both degrees and radians in the corresponding results fields.
Examples
| Arccos | ° | rad |
|---|---|---|
| 1 | 45° | π/4 |
| 0 | 0° | 0 |
| -1 | -45° | -π/4 |