Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

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

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

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, …

The value of arctan 1 or tan inverse 1 is equal to π/4 radians or 45 degrees. The range of principal value of tan is (-π / 2, π / 2) and the value of the tangent function is equal to 1 at π/4 …

Frequently Asked Questions (FAQ) What is the value of arctan (-1) ? The value of arctan (-1) is -pi/4

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 …

The arctan (a.k.a. arcus tangens) is one of the inverse trigonometric functions (antitrigonometric functions) and is the inverse of the tangent function. It is sometimes written as tan -1 (x), but …

Since tangent is a periodic function, without restricting the domain, a horizontal line would intersect the function periodically, infinitely many times. Arctan calculator The following is a …

The inverse tangent function, written as tan⁻¹ (x) or arctan (x), determines the angle whose tangent is x. In simpler terms, if you know the ratio of the opposite side to the adjacent side of …