Online arctan (x) calculator. 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.

Calculator to give out the arctan value of a number.

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 arctan, you've …

The orange sheet in the middle is the principal sheet representing arctan x. The blue sheet above and green sheet below are displaced by 2π and −2π respectively. Since the inverse trigonometric …

Arctan is one of the important inverse trigonometry functions. In a right-angled triangle, the tan of an angle determines the ratio of the perpendicular and the base, that is, "Perpendicular / Base".

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 visualization and …

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

2 days ago · In mathematics, the inverse trigonometric functions (occasionally also called arcus functions, antitrigonometric functions or cyclometric functions) are the inverse functions of the …

Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.