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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. Trigonometric functions - Wikipedia

    The trigonometric functions most commonly used in modern mathematics are the sine, the cosine, and the tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent …

  3. Secant - Wikipedia

    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 …

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

    Secant (sec) - Trigonometry function (See also Secant of a circle). 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 …

  5. Secant and Cosecant - Algebrica

    Jun 7, 2026 · The secant and cosecant of an angle θ are defined as the reciprocals of cos(θ) and sin(θ), extending trigonometric relationships.

  6. 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 …

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

    The value of the secant function can be determined by taking the ratio of the hypotenuse and base of a right-angled triangle. It is the reciprocal of cosine function.

  8. Tangent and Secant Lines - Math is Fun

    (This is about lines, you might want the tangent and secant functions). A tangent line just touches a curve at a point, matching the curve's...

  9. What is Secant Function ⭐ Formula, Definition With Examples

    Jan 8, 2024 · Explore the secant function, its formula, properties, real-world applications and more. Make math learning a joyride with our easy-to-understand examples and interactive practice problems!

  10. Trigonometry - The Secant Function - TechnologyUK

    The secant function is a trigonometric function, one of three reciprocal functions that we look at in these pages, the other two being the cosecant function and the cotangent function. A reciprocal function is …