secant of circle
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Secant — Secant, n. [Cf. F. s[ e]cante. See {Secant}, a.] 1. (Geom.) A line that cuts another; especially, a straight line cutting a curve in two or more points. [1913 Webster] 2. (Trig.) A right line drawn from the center of a circle through one end of a … The Collaborative International Dictionary of English
Circle — This article is about the shape and mathematical concept. For other uses, see Circle (disambiguation). Circle illustration showing a radius, a diameter, the centre and the circumference … Wikipedia
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 — 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 — 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
secant — Synonyms and related words: air line, axis, beeline, chiasmal, chiasmic, chiastic, chord, crisscross, cross, crosscut, crossed, crossing, cut across, decussate, decussated, diagonal, diameter, direct line, directrix, edge, great circle course,… … Moby Thesaurus
secant — /ˈsikənt / (say seekuhnt) Mathematics –noun 1. a straight line which cuts a circle or other curve. 2. the ratio of the hypotenuse to the base in a right angled triangle; the reciprocal of the cosine of an angle. –adjective 3. cutting or… …
Unit circle — In mathematics, a unit circle is a circle with a unit radius, i.e., a circle whose radius is 1. Frequently, especially in trigonometry, the unit circle is the circle of radius 1 centered at the origin (0, 0) in the Cartesian coordinate system in… … Wikipedia
Osculating circle — Kissing circles redirects here. For Descartes theorem on mutually tangent (kissing) circles, see Descartes theorem. An osculating circle In differential geometry of curves, the osculating circle of a sufficiently smooth plane curve at a given… … Wikipedia
Trigonometric functions — Cosine redirects here. For the similarity measure, see Cosine similarity. Trigonometry History Usage Functions Generalized Inverse functions … Wikipedia
Tangent lines to circles — In Euclidean plane geometry, tangent lines to circles form the subject of several theorems, and play an important role in many geometrical constructions and proofs. Since the tangent line to a circle at a point P is perpendicular to the radius to … Wikipedia
