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arc tangent
arc tangentn. The inverse of the tangent function.Thesaurus| Noun | 1. | arc tangent - the inverse function of the tangent; the angle that has a tangent equal to a given numberarctan, arctangent, inverse tangentcircular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle |
arc tangent
arc tangent[¦ärk ′tan·jənt] (mathematics) Also known as antitangent; inverse tangent. For a number x, any angle whose tangent equals x. For a number x, the angle between -π/2 radians and π/2 radians whose tangent equals x ; it is the value at x of the inverse of the restriction of the tangent function to the interval between -π/2 and π/2. AcronymsSeeATANarc tangent
Synonyms for arc tangentnoun the inverse function of the tangentSynonyms- arctan
- arctangent
- inverse tangent
Related Words- circular function
- trigonometric function
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