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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 - Wikipedia

    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 …

  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 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 …

  6. Secant and Cosecant - Algebrica

    Nov 22, 2025 · The secant and cosecant of an angle theta are defined, respectively, as the reciprocals of cos (theta) and sin (theta).

  7. Secant Calculator

    The secant calculator is here to help you find the value of the secant function of a given angle.

  8. Secant Definition - AP Calculus AB/BC Key Term | Fiveable

    The secant of an angle in a right triangle is the ratio of the length of the hypotenuse to the length of the adjacent side.

  9. 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, …

  10. Secant Function (sec x) - Definition, Graph, Properties & Interactive ...

    Complete guide to the secant function sec x. Learn its definition, graph, period, vertical asymptotes, domain, range, and explore an interactive tutorial on transformations.