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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 Function - Formula, Graph, Domain and Range ...

    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 …

  4. 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 …

  5. 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 …

  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 (Free Trig Lesson) | Examples Included - Voovers

    In this trigonometry lesson, we go over everything that you need to know about the Secant function. Click here to start learning.