arctangent

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noun

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

Similar
antitangentinverse tangentarc tangentarctan
OriginEnglish tangent ← Latin tangentem ← Proto-Italic *tangō →
RareScrabble 13
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Meanings

nounarctangent (plural arctangents)

plural arctangents

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

    Synonyms: antitangent, inverse tangent

Synonyms & antonyms

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

Similar
antitangentinverse tangent

More synonyms by meaning

nounthe inverse function of the tangent; the angle that has a tangent equal to a given number

Similar
arc tangentarctaninverse tangent
Broader
trigonometric functioncircular function
Also see
antitangentinverse tangent

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*h₂erkʷ-
  2. Proto-Indo-European*h₂erkʷos
  3. Proto-Italic*arkuos
  4. Latinarcus
  5. Englisharc-
  6. Proto-Indo-European*teh₂g-
  7. Proto-Italic*tangō
  8. Latintangō
  9. Latintangēns
  10. Latintangentem
  11. Englishtangent
  12. Englisharctangent

From arc- + tangent.

Full word history & related roots →

Translations

Catalan arc tangent
  • arc tangentinverse of tangent function
Chinese Mandarin 反正切
  • 反正切 (fǎnzhèngqiē)inverse of tangent function
Czech arkustangens
  • arkustangensinverse of tangent function
Dutch arctangens
  • arctangensinverse of tangent function
Finnish arkustangentti
  • arkustangenttiinverse of tangent function
French arc tangente
  • arc tangenteinverse of tangent function
German Arcustangens
  • Arcustangensinverse of tangent function
Hungarian arkusztangens
  • arkusztangensinverse of tangent function
Italian arcotangente
  • arcotangenteinverse of tangent function
Japanese アークタンジェント, 逆正接関数
  • アークタンジェント (ākutanjento)inverse of tangent function
  • 逆正接関数inverse of tangent function
Korean 아크탄젠트, 역삼각 함수
  • 아크탄젠트 (akeutanjenteu)inverse of tangent function
  • 역삼각 함수 (yeoksamgak hamsu)inverse of tangent function
Portuguese arco tangente
  • arco tangenteinverse of tangent function
Romanian arctangentă
  • arctangentăinverse of tangent function
Russian аркта́нгенс
  • аркта́нгенс (arktángens)inverse of tangent function
Spanish arcotangente
  • arcotangenteinverse of tangent function
Tamil தொடுவளை நேர்மாற்று
  • தொடுவளை நேர்மாற்று (toṭuvaḷai nērmāṟṟu)inverse of tangent function
Cite this entry
APA

arctangent. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/arctangent

MLA

“arctangent.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arctangent. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “arctangent,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/arctangent.

Source: arctangent on Wiktionary, CC BY-SA 4.0.