Free Online Inverse Cosine Calculator works in degrees or radians, plus draws triangle.

Inverse tangent calculator.Enter the tangent value, select degrees (°) or radians (rad) and press the = button.

Calculate arctan (tan⁻¹) - find the angle whose tangent equals a given value. Results in degrees and radians.

Quickly calculate the arctangent (tan inverse) of any value with our easy-to-use tan inverse calculator. Get accurate results instantly.

Sep 26, 2025 · Enter any number into the inverse tan calculator. The calculator will return the inverse tangent of that number as degrees, radians, or gradians.

Omni's inverse tangent calculator is the perfect tool for this purpose: insert a number in the valid domain of the inverse tangent (that is, the whole x-axis), and you'll get the result in no time. You can also use …

Calculate inverse tangent (arctan) with this easy-to-use Inverse Tangent Calculator. Input any number x to find its arctangent value in radians or degrees. Fast, accurate results for trigonometry problems.

Below is an inverse tangent calculator (or arctan calculator), which calculates an angle from the ratio from the tangent function. Enter a result and choose to return radians or degrees, then compute the …

The calculator will find the inverse tangent of the given value in radians and degrees. The inverse tangent y = tan 1 (x) y = tan−1(x) or y = atan (x) y = atan(x) or y = arctan (x) y = arctan(x) is such a …

This online Inverse Tangent Calculator helps you to calculate the values of the inverse tangent function in a few seconds. If any value x is given, the angle in degrees is calculated for different inverse tan …