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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 - Wikipedia

    Look up secant in Wiktionary, the free dictionary. Secant is a term in mathematics derived from the secare ("to cut"). It may refer to:

  3. 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'.

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

    Secant function is one of the important trigonometric functions in trigonometry. It is equal to the ratio of the hypotenuse and the base of a right-angled triangle.

  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 (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, …

  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 | definition in the Cambridge English Dictionary

    If from a point without a circle a secant is drawn, the product of the secant and its external segment is constant in whatever direction the secant is drawn.

  9. SECANT Definition & Meaning - Merriam-Webster

    The meaning of SECANT is a straight line cutting a curve at two or more points.

  10. Secant line - Wikipedia

    In geometry, a secant is a line that intersects a curve at a minimum of two distinct points. [1] The word secant comes from the Latin word secare, meaning to cut. [2]