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  1. Trigonometric functions - Wikipedia

    Their reciprocals are respectively the cosecant, the secant, and the cotangent functions, which are less commonly used. Each of these six trigonometric functions has a corresponding inverse function and …

  2. Cosecant | Definition, Formulas, & Facts | Britannica

    cosecant, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is csc A = length of hypotenuse/ length of side opposite angle A.

  3. Formula, Graph, Domain, Range | Cosecant Function - Cuemath

    Cosecant is one of the main six trigonometric functions and is abbreviated as csc x or cosec x, where x is the angle. In a right-angled triangle, cosecant is equal to the ratio of the hypotenuse and …

  4. Cosecant - Math Open Reference

    In a right triangle, the cosecant of an angle is the length of the hypotenuse divided by the length of the opposite side. In a formula, it is abbreviated to just 'csc'.

  5. Cosecant Formula - GeeksforGeeks

    Jul 23, 2025 · Cosecant is one of the six basic trigonometric ratios and its formula is cosecant (θ) = hypotenuse/opposite, it is also represented as, csc (θ). It is the inverse (reciprocal) ratio of the sine …

  6. Cosecant Function - Algebrica

    Dec 4, 2025 · The cosecant function f (x) = csc (x) is defined as the reciprocal of the sine function. It assigns to each angle x the value 1/sin (x).

  7. Cosecant Definition (Illustrated Mathematics Dictionary)

    In a right angled triangle, the cosecant of an angle is: The length of the hypotenuse divided by the length of the side opposite the angle. The abbreviation is csc. csc θ = hypotenuse / opposite. It is not …