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

Use this arctan calculator to easily calculate the arctan of a given number. Online arctangent calculation tool to compute the arcus tangens function in degrees or radians.

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, …

3 days ago · 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 …

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 …

To find θ we will use the arctan function as, θ = tan -1 [Perpendicular / Base]. As discussed above, the basic formula for the arctan is given by, arctan (Perpendicular/Base) = θ, where θ …

Calculator to give out the arctan value of a number.

Jul 23, 2025 · As discussed above, the basic formula for the arctan is given by, arctan (Perpendicular/Base) = θ, where θ is the angle between the hypotenuse and the base of a …

Definition of the arctan function in trigonometry. The inverse of the tangent function. The angle whose tangent is a given number.

ArcTan [<i>z</i>] (3274 formulas) © 1998–2026 Wolfram Research, Inc.