Look up 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, in geometry
the secant variety, in algebraic geometry
secant (trigonometry) (Latin: secans), the multiplicative inverse (or reciprocal) trigonometric function of the cosine
the secant method, a root-finding algorithm in numerical analysis, based on secant lines to graphs of functions
a secant ogive in nose cone design
Topics referred to by the same term
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up 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...
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...
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...
For the intersecting secants theorem and chord theorem the power of a point plays the role of an invariant: Intersecting secants theorem: For a point...
tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent functions, which are less used. Each of these six trigonometric...
In calculus, the integral of the secant function can be evaluated using a variety of methods and there are multiple ways of expressing the antiderivative...
not containing the centre of the circle to which their arc belongs to. Secant: an extended chord, a coplanar straight line, intersecting a circle in two...
Specifically, they are the inverses of the sine, cosine, tangent, cotangent, secant, and cosecant functions, and are used to obtain an angle from any of the...
the intersecting secants theorem or just secant theorem describes the relation of line segments created by two intersecting secants and the associated...
ogive radius of a secant ogive is greater than the ogive radius of a tangent ogive with the same R and L, then the resulting secant ogive appears as a...
The external secant function (exsecant, symbolized exsec) is a trigonometric function defined in terms of the secant function: exsec θ = sec θ − 1...
A secant plane is a plane containing a nontrivial section of a sphere or an ellipsoid, or such a plane that a sphere is projected onto. Secant planes are...
can be made more explicit by considering the sequence of straight lines (secant lines) passing through two points, A and B, those that lie on the function...
The integral of secant cubed is a frequent and challenging indefinite integral of elementary calculus: ∫ sec 3 x d x = 1 2 sec x tan x + 1 2 ∫ sec...
numbers, or up/down numbers. When n is even the number An is known as a secant number, while if n is odd it is known as a tangent number. These latter...
In probability theory and statistics, the hyperbolic secant distribution is a continuous probability distribution whose probability density function and...
is at least one point at which the tangent to the arc is parallel to the secant through its endpoints. It is one of the most important results in real analysis...
In algebraic geometry, the secant variety Sect ( V ) {\displaystyle \operatorname {Sect} (V)} , or the variety of chords, of a projective variety V ⊂...
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...
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...
spacing of the piles can be varied to provide suitable bending stiffness. Secant pile walls are constructed such that space is left between alternate 'female'...
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, a circular segment...
stereographic projection. Specifically, the projection used in the system is a secant version based on an elliptical model of the earth. The scale factor at each...
distribution function, related to solitons in optics, is the hyperbolic secant: f ( x ) = sech ( x X ) . {\displaystyle f(x)=\operatorname {sech} \left({\frac...
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