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Definition of Arccos
1. Noun. The inverse function of the cosine; the angle that has a cosine equal to a given number.
Exact synonyms: Arc Cosine, Arccosine, Inverse Cosine
Generic synonyms: Circular Function, Trigonometric Function
Generic synonyms: Circular Function, Trigonometric Function
Definition of Arccos
1. Abbreviation. (trigonometry) The inverse cosine function ¹
¹ Source: wiktionary.com
Definition of Arccos
1. a trigonometric inverse function [n -ES]