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Definition of Arctan
1. Noun. The inverse function of the tangent; the angle that has a tangent equal to a given number.
Exact synonyms: Arc Tangent, Arctangent, Inverse Tangent
Generic synonyms: Circular Function, Trigonometric Function
Generic synonyms: Circular Function, Trigonometric Function
Definition of Arctan
1. Abbreviation. (trigonometry) The inverse tangent function ¹
¹ Source: wiktionary.com
Definition of Arctan
1. a trigononometric inverse function [n -S]