English Explanatory Dictionary

arctangent

English dictionary entry

Meanings

noun
  1. Any of several single-valued or multivalued functions that are inverses of the tangent function. Symbol: arctan, tan⁻¹

Word forms

arctangent arctangents

Etymology

Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcusder. English arc- Proto-Indo-European *teh₂g- Proto-Italic *tangō Latin tangō Latin tangēns Latin tangentembor. English tangent English arctangent From arc- + tangent.

Synonyms

antitangent inverse tangent
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