Inverse Tangent (arctan) Calculator
45°
0.785 rad
Understanding Inverse Tangent (arctan)
What is Inverse Tangent?
The inverse tangent (arctan) is a function that returns the angle whose tangent is a given number. It's the inverse operation of the tangent function.
Key Properties
- • Range: -90° to 90° (-π/2 to π/2 radians)
- • Domain: All real numbers
- • One-to-one function in its range
Common Values
| Tangent | Degrees | Radians |
|---|---|---|
| 0 | 0° | 0 |
| 1 | 45° | π/4 |
| √3 | 60° | π/3 |