arccosine
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Arccosine.svg/220px-Arccosine.svg.png)
Etymology
Noun
arccosine (plural arccosines)
- (trigonometry) Any of several single-valued or multivalued functions that are inverses of the cosine function.
Synonyms
- inverse cosine
- arccos (abbreviation)
- cos-1
Translations
inverse of the cosine function
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