arc tangent

the angle, measured in radians, that has a tangent equal to a given number. Abbr.: arc tan; Symbol: tan-1 Also called inverse tangent.
[1905-10]

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Universalium. 2010.

Look at other dictionaries:

  • arc tangent — /ˈak tændʒənt/ (say ahk tanjuhnt) noun the inverse function to the tangent; if y is the tangent of θ, then θ is the arc tangent of y; inverse tangent. Also, arctan …   Australian English dictionary

  • arc tangent — noun the inverse function of the tangent; the angle that has a tangent equal to a given number • Syn: ↑arctangent, ↑arctan, ↑inverse tangent • Hypernyms: ↑trigonometric function, ↑circular function …   Useful english dictionary

  • arc — 1. arc [ ark ] n. m. • 1080; lat. arcus 1 ♦ Arme formée d une tige souple (de bois, de métal) que l on courbe au moyen d une corde attachée aux deux extrémités pour lancer des flèches. Arc et arbalète. Bander, tendre l arc. Tirer des flèches avec …   Encyclopédie Universelle

  • arc tan — See arc tangent. * * * …   Universalium

  • arc tan — See arc tangent …   Useful english dictionary

  • tangent — tangent, ente [ tɑ̃ʒɑ̃, ɑ̃t ] adj. • 1683; lat. tangens, entis, de tangere « toucher » 1 ♦ Géom. Qui n a qu un point de contact en un seul point. (1705) Plan tangent à une surface : ensemble des tangentes en un point à cette surface, formant… …   Encyclopédie Universelle

  • Tangent of an arc — Tangent Tan gent, n. [L. tangens, entis, p. pr. of tangere to touch; akin to Gr. ? having seized: cf. F. tangente. Cf. {Attain}, {Contaminate}, {Contingent}, {Entire}, {Tact}, {Taste}, {Tax}, v. t.] (Geom.) A tangent line curve, or surface;… …   The Collaborative International Dictionary of English

  • Tangent — Tan gent, n. [L. tangens, entis, p. pr. of tangere to touch; akin to Gr. ? having seized: cf. F. tangente. Cf. {Attain}, {Contaminate}, {Contingent}, {Entire}, {Tact}, {Taste}, {Tax}, v. t.] (Geom.) A tangent line curve, or surface; specifically …   The Collaborative International Dictionary of English

  • Tangent galvanometer — Tangent Tan gent, n. [L. tangens, entis, p. pr. of tangere to touch; akin to Gr. ? having seized: cf. F. tangente. Cf. {Attain}, {Contaminate}, {Contingent}, {Entire}, {Tact}, {Taste}, {Tax}, v. t.] (Geom.) A tangent line curve, or surface;… …   The Collaborative International Dictionary of English

  • Tangent of an angle — Tangent Tan gent, n. [L. tangens, entis, p. pr. of tangere to touch; akin to Gr. ? having seized: cf. F. tangente. Cf. {Attain}, {Contaminate}, {Contingent}, {Entire}, {Tact}, {Taste}, {Tax}, v. t.] (Geom.) A tangent line curve, or surface;… …   The Collaborative International Dictionary of English

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