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secant of an angle

См. также в других словарях:

  • Secant line — A secant line of a curve is a line that (locally) intersects two points on the curve. The word secant comes from the Latin secare , for to cut .It can be used to approximate the tangent to a curve, at some point P . If the secant to a curve is… …   Wikipedia

  • secant — noun Etymology: New Latin secant , secans, from Latin, present participle of secare to cut more at saw Date: 1593 1. a straight line cutting a curve at two or more points 2. a straight line drawn from the center of a circle through one end of a… …   New Collegiate Dictionary

  • sécant — sécant, ante [ sekɑ̃, ɑ̃t ] adj. et n. f. • 1542; lat. secans, de secare « couper » 1 ♦ Qui coupe (une ligne, un plan). Droite, courbe sécante (opposé à parallèle, tangente) . Plan sécant. Cercles sécants, sphères sécantes, ayant des points… …   Encyclopédie Universelle

  • secant — [sē′kənt] adj. [L secans, prp. of secare, to cut: see SAW1] cutting; intersecting n. 1. Geom. any straight line intersecting a curve at two or more points 2. Trigonometry the reciprocal of the cosine; specif., a) the ratio of the hypotenuse to… …   English World dictionary

  • secant — ► NOUN 1) Mathematics (in a right angled triangle) the ratio of the hypotenuse to the shorter side adjacent to an acute angle. 2) Geometry a straight line that cuts a curve in two or more parts. ORIGIN from Latin secare to cut …   English terms dictionary

  • secant — secantly, adv. /see kant, keuhnt/, n. 1. Geom. an intersecting line, esp. one intersecting a curve at two or more points. 2. Trig. a. (in a right triangle) the ratio of the hypotenuse to the side adjacent to a given angle. b. (originally) a line… …   Universalium

  • secant — adj. & n. Math. adj. cutting (secant line). n. 1 a line cutting a curve at one or more points. 2 the ratio of the hypotenuse to the shorter side adjacent to an acute angle (in a right angled triangle). Usage: Abbr.: sec. Etymology: F… …   Useful english dictionary

  • SÉCANT, ANTE — adj. T. de Géométrie Qui coupe. Plan sécant. SÉCANTE est aussi nom féminin et s’emploie pour désigner Toute ligne ou toute surface qui en coupe une autre. Il se dit particulièrement d’Une des lignes trigonométriques d’un angle. Sécante d’un arc.… …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • secant — se•cant [[t]ˈsi kænt, kənt[/t]] n. 1) math. an intersecting line, esp. one intersecting a curve at two or more points 2) math. (in a right triangle) the ratio of the hypotenuse to the side adjacent to a given angle; the reciprocal of its cosine… …   From formal English to slang

  • secant — noun a) A straight line that intersects a curve at two or more points. b) In a right triangle, the reciprocal of the cosine of an angle. Symbol: sec See …   Wiktionary

  • secant — se·cant || sɪːkænt / sɪːkÉ™nt n. straight line that intersects a curve at two or more points (Geometry); ratio of the hypotenuse of a right triangle to the side adjacent to a given angle (Trigonometry) …   English contemporary dictionary

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