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

    Cosecant is also abbreviated as cosec.) From the definition of the cotangent of angle A, cot A = length of side adjacent to angle A/ length of side opposite to angle A, and the Pythagorean …

  2. Sec, Cosec and Cot – Mathematics A-Level Revision

    Sec, Cosec and Cot A-Level maths revision. Secant, cosecant and cotangent are usually written as sec, cosec and cot, they are trigonometric functions.

  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 …

  4. COSEC Full Form in Maths: Meaning, Formula & Uses - Vedantu

    The full form of COSEC is Cosecant, a crucial trigonometric ratio used in mathematics. Cosecant represents the reciprocal of the sine function and plays a significant role in solving problems …

  5. Cosec Cot Formula - GeeksforGeeks

    Jul 23, 2025 · Cosec cot formula is one of the fundamental trigonometric identities that is used for various purposes. This identity states that 1 + cot2 θ = cosec2θ, and is also called cosec cot …

  6. Trigonometry/Cosecant, Secant, Cotangent - Wikibooks

    May 29, 2017 · Triangles for Reciprocal Trig Functions [edit | edit source] Sine and Cosine Tan and Sec Cot and Cosec

  7. Cosecant - Math Open Reference

    Cosecant (csc) - Trigonometry function 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 …

  8. Reciprocal trig ratios (article) | Khan Academy

    Learn how cosecant, secant, and cotangent are the reciprocals of the basic trig ratios: sine, cosine, and tangent.

  9. Trigonometric Functions - Definition, Formula, Table ...

    Feb 24, 2025 · There are six trigonometric functions, of which sine, cosine, and tangent functions are basic functions, while secant (sec), cosecant (cosec or csc), and cotangent (cot) are …

  10. Cosecant -- from Wolfram MathWorld

    Dec 3, 2025 · The cosecant cscz is the function defined by cscz = 1/(sinz) (1) = (2i)/(e^(iz)-e^(-iz)), (2) where sinz is the sine. The cosecant is implemented in the Wolfram Language as Csc[z]. …