• In geometry, a secant is a line that intersects a curve at a minimum of two distinct points. The word secant comes from the Latin word secare, meaning...
    8 KB (1,006 words) - 06:27, 12 March 2025
  • Thumbnail for Secant method
    the secant method is a root-finding algorithm that uses a succession of roots of secant lines to better approximate a root of a function f. The secant method...
    10 KB (1,623 words) - 01:36, 26 May 2025
  • Thumbnail for Slope
    Slope (redirect from Slope of a line)
    points, the slope of the curve may be approximated by the slope of the secant line between two nearby points. When the curve is given as the graph of an...
    18 KB (2,704 words) - 05:13, 18 April 2025
  • secant in Wiktionary, the free dictionary. Secant is a term in mathematics derived from the Latin secare ("to cut"). It may refer to: a secant line,...
    546 bytes (107 words) - 01:51, 21 November 2021
  • Thumbnail for Tangent
    Tangent (redirect from Tangent line)
    called supporting lines. The geometrical idea of the tangent line as the limit of secant lines serves as the motivation for analytical methods that are...
    26 KB (4,113 words) - 11:19, 25 May 2025
  • Thumbnail for Differential calculus
    secant line. If the two points that the secant line goes through are close together, then the secant line closely resembles the tangent line, and, as...
    31 KB (4,452 words) - 07:11, 29 May 2025
  • Thumbnail for Numerical differentiation
    approximations. A simple two-point estimation is to compute the slope of a nearby secant line through the points (x, f(x)) and (x + h, f(x + h)). Choosing a small...
    22 KB (2,609 words) - 12:12, 17 June 2025
  • Thumbnail for Jensen's inequality
    that the secant line of a convex function lies above the graph of the function, which is Jensen's inequality for two points: the secant line consists...
    31 KB (5,129 words) - 19:32, 12 June 2025
  • with secant line at point where λ = λ Y {\displaystyle \lambda =\lambda _{Y}} . After this value, the slope becomes smaller than the secant line where...
    22 KB (3,097 words) - 08:14, 7 April 2025
  • Thumbnail for Chord (geometry)
    a secant line. The perpendicular line passing through the chord's midpoint is called sagitta (Latin for "arrow"). More generally, a chord is a line segment...
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  • Thumbnail for Power of a point
    and the intersection points S 1 , S 2 {\displaystyle S_{1},S_{2}} of a secant line g {\displaystyle g} with c {\displaystyle c} the following statement...
    19 KB (3,476 words) - 18:20, 15 February 2025
  • Thumbnail for Quartic function
    the secant line and the quartic below the secant line equals the area of the region between the secant line and the quartic above the secant line. One...
    43 KB (6,852 words) - 09:22, 2 June 2025
  • Thumbnail for Parabola
    intersection of the secant line P 2 P 3 {\displaystyle P_{2}P_{3}} with the line x = x 1 {\displaystyle x=x_{1}} (see picture). Then the secant line P 3 P 4 {\displaystyle...
    80 KB (13,437 words) - 19:44, 31 May 2025
  • Thumbnail for Derivative
    the slope of the secant line from 0 to h {\displaystyle h} is one; if h {\displaystyle h} is negative, then the slope of the secant line from 0 {\displaystyle...
    57 KB (7,198 words) - 04:41, 1 June 2025
  • Thumbnail for Exsecant
    Exsecant (redirect from Exterior secant)
    The external secant function (abbreviated exsecant, symbolized exsec) is a trigonometric function defined in terms of the secant function: exsec ⁡ θ =...
    30 KB (2,977 words) - 19:40, 3 May 2025
  • Thumbnail for Cardioid
    one gets for φ = θ {\displaystyle \varphi =\theta } the same line. Hence any secant line of the circle, defined above, is a tangent of the cardioid, too:...
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  • line t to a circle C intersects the circle at a single point T. For comparison, secant lines intersect a circle at two points, whereas another line may...
    34 KB (5,231 words) - 09:21, 28 March 2025
  • Thumbnail for Space (mathematics)
    a circle determines a unique line called the secant line, and as the two points move around the circle, the secant line varies continuously. However,...
    69 KB (9,328 words) - 07:29, 5 June 2025
  • Thumbnail for Tangent–secant theorem
    Euclidean geometry, the tangent-secant theorem describes the relation of line segments created by a secant and a tangent line with the associated circle....
    2 KB (212 words) - 07:43, 4 February 2025
  • Thumbnail for Circle
    Circle (redirect from Secant-secant theorem)
    centre of the circle to which their arc belongs. Secant: an extended chord, a coplanar straight line, intersecting a circle in two points. Semicircle:...
    46 KB (6,343 words) - 00:53, 15 April 2025
  • called a difference quotient. A line through two points on a curve is called a secant line, so m is the slope of the secant line between (a, f(a)) and (a +...
    76 KB (8,802 words) - 00:02, 20 June 2025
  • exterior line, a tangent line or a secant line is mapped by the involution σ P {\displaystyle \sigma _{P}} on an exterior, tangent and secant line, respectively...
    41 KB (7,423 words) - 17:19, 10 April 2025
  • interval. Geometrically, this difference quotient measures the slope of the secant line passing through the points with coordinates (a, f(a)) and (b, f(b))....
    21 KB (4,699 words) - 16:46, 28 May 2024
  • Thumbnail for Bitangent
    bitangent lines (Rohnert 1986). A bitangent differs from a secant line in that a secant line may cross the curve at the two points it intersects it. One...
    5 KB (544 words) - 00:03, 11 March 2024
  • Thumbnail for Trigonometric functions
    tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent functions, which are less used. Each of these six trigonometric...
    77 KB (10,740 words) - 23:12, 14 June 2025
  • Thumbnail for Convex function
    In mathematics, a real-valued function is called convex if the line segment between any two distinct points on the graph of the function lies above or...
    35 KB (5,856 words) - 19:37, 21 May 2025
  • Thumbnail for Velocity
    of as the slope of the tangent line to the curve at any point, and the average velocity as the slope of the secant line between two points with t coordinates...
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  • x)-f(x)}{\Delta x}}.} The last term is the difference quotient (the slope of the secant line), and taking the limit yields the derivative. Condition numbers of common...
    17 KB (2,452 words) - 17:48, 19 May 2025
  • Thumbnail for Logarithmic mean
    interval between x and y where the derivative f ′ equals the slope of the secant line: ∃ ξ ∈ ( x , y ) :   f ′ ( ξ ) = f ( x ) − f ( y ) x − y {\displaystyle...
    8 KB (1,299 words) - 13:49, 11 June 2025
  • Thumbnail for Circular segment
    is "cut off" from the rest of the disk by a straight line. The complete line is known as a secant, and the section inside the disk as a chord. More formally...
    6 KB (1,063 words) - 00:11, 26 April 2025