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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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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Power of a point (redirect from Secant-secant power theorem)
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...
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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...
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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...
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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...
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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 =...
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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...
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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,...
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Euclidean geometry, the tangent-secant theorem describes the relation of line segments created by a secant and a tangent line with the associated circle....
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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:...
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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 +...
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Quadric (section Intersection with a line)
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...
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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))....
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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...
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Trigonometric functions (redirect from Secant function)
tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent functions, which are less used. Each of these six trigonometric...
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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...
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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...
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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...
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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...
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