
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 …
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 …
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 …
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 …
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.
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.
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 …
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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...
Secant and Tangent Lines in Calculus: A Complete Beginner’s Guide
1 day ago · Learn about secant and tangent lines in calculus, how to find their slopes, their connection through limits, and how they relate to the derivative.