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  1. Secant | Definition, Formulas, & Facts | Britannica

    secant, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is sec A = length of hypotenuse/ length of side adjacent angle A. (The other five trigonometric functions are sine …

  2. Secant function (sec) - Trigonometry - Math Open Reference

    In a right triangle, the secant of an angle is the length of the hypotenuse divided by the length of the adjacent side. In a formula, it is abbreviated to just 'sec'.

  3. Secant Formula - Concept, Formulae, Solved Examples

    Jul 23, 2025 · Secant is one of the six basic trigonometric ratios and its formula is secant (θ) = hypotenuse/base, it is also represented as, sec (θ). It is the inverse (reciprocal) ratio of the cosine …

  4. Secant Function - Formula, Graph, Domain and Range ... - Cuemath

    The secant function or sec function can be defined as the ratio of the length of the hypotenuse to that of the length of the base in a right-angled triangle. It is the reciprocal of cosine function and hence, is …

  5. Secant (function) Definition (Illustrated Mathematics Dictionary)

    In a right angled triangle, the secant of an angle is: The length of the hypotenuse divided by the length of the adjacent side. The abbreviation is sec. sec (θ) = hypotenuse / adjacent. It is not commonly used, …

  6. Secant in Trigonometry Explained Simply - Andrea Minini

    Geometrically, the secant (OB) is the point where the line (r), which is tangent at point P on the unit circle, intersects the x-axis. The secant can also be seen as the line segment OC that starts at the …

  7. Secant and Cosecant - Algebrica

    Nov 22, 2025 · The secant function f (x) = sec (x) is defined as the reciprocal of the cosine function. It assigns to each angle x (measured in radians) the value 1 / cos (x).

  8. Secant Function sec x

    The definition of the secant function sec x and discussion of its properties such as period, asymptotes and phase shift are presented. Also an interactive tutorial to explore these properties is included.

  9. Secant: Introduction to the Secant Function (subsection Sec/01)

    The classical definition of the secant function for real arguments is: "the secant of an angle in a right‐angle triangle is the ratio of the length of the hypotenuse to the adjacent leg."

  10. Secant of a Circle - GeeksforGeeks

    Jul 23, 2025 · Tangent and Secant of a Circle A tangent is a line that connects with the circle at just one point, while a secant is a line that intersects the circle at two points. It is a specific type of secant …