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

In mathematics, the inverse trigonometric functions (occasionally also called antitrigonometric, [1] cyclometric, [2] or arcus functions [3]) are the inverse functions of the trigonometric functions, …

Use this arctan calculator to quickly find the inverse tangent. Whether you're looking for a simple answer to the question "what is an arctan?" or are curious about the integral or derivative of …

Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, …

Calculate the arctangent (inverse tangent) with this Arctan Calculator. Input tangent value, choose degrees or radians, and get precise results instantly. Simplify trigonometric calculations now!

Definition: This calculator computes the inverse tangent (y = arctan (x)) of a given value x, where x can be any real number. The result is the angle y whose tangent is x.

Jan 7, 2026 · Calculate arctan (inverse tangent) with high precision. Get the angle whose tangent equals your input value, displayed in both degrees and radians with interactive unit circle …

The purpose of arctan is to find the value of an unknown angle by using the value of the tangent trigonometric ratio. Navigation, physics, and engineering make widespread use of the arctan …

Aug 1, 2025 · Calculate Arcsine, Arccosine, Arctangent, Arccotangent, Arcsecant and Arccosecant for values of x and get answers in degrees, ratians and pi. Graphs for inverse …

Arctan identities The table below contains some trigonometric identities and properties related to the arctan function.