arc tangent


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arc tangent

n.
The inverse of the tangent function.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arc tangent - the inverse function of the tangent; the angle that has a tangent equal to a given number
circular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle