Arctan Calculator
Visualize inverse tangent angles with a live coordinate system, animated rays, radians, degrees, and mathematical explanations.
The Arctan Calculator is a free online tool used to calculate the inverse tangent (arctangent) of a number instantly. Arctan is an important trigonometric function commonly used in mathematics, engineering, physics, navigation, and computer graphics.
The inverse tangent function calculates the angle whose tangent equals a given value. This calculator provides results in both radians and degrees, making it useful for educational and professional applications.
Students learning trigonometry, engineers solving angle problems, and developers working with geometry calculations can use this tool to save time and improve accuracy.
The calculator works directly in your browser and delivers fast, precise trigonometric results.
How to Use the Arctan Calculator
- Enter a numeric value.
- Click the Calculate button.
- View the arctan result in radians and degrees.
- Copy or use the calculated angle value.
Features
- Instant arctan calculations
- Supports radians and degrees
- Browser-based online tool
- Fast mathematical processing
- Helpful for trigonometry learning
- Simple and easy-to-use interface
What Is Arctan?
Arctan, also called inverse tangent, is the angle whose tangent value equals a given number.
For example:
If tan(x) = 1, then arctan(1) = 45°.
FAQ
What is inverse tangent used for?
Inverse tangent is used in trigonometry, geometry, navigation, and engineering calculations.
Does this calculator support degrees?
Yes. Results are shown in both degrees and radians.
Is arctan the same as tan?
No. Arctan is the inverse function of tangent.