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  1. 三角関数sec, cosec, cotと記号の意味 | 高校数学の美しい物語

    Oct 16, 2025 · sec, cosec, cotについて 1 sin ⁡ x \dfrac {1} {\sin x} sinx1 や 1 cos ⁡ x \dfrac {1} {\cos x} cosx1 はいろいろなところに登場するので,「それ自体に簡単な記号を定めよう」という記号です …

  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. sin、cos、tan以外の三角関数 (seccosec、cot)|三角関数の公式を完 …

    Jun 20, 2021 · また、 cosec c o s e c を csc csc と表記することも多いので抑えておくと良いと思います 直角三角形を用いた定義について確認できたので1節はここまでとします。 2. 単位円による定 …

  4. 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 theorem, one …

  5. Csc Sec Cot - Formula, Table, Domain, Graph, Examples

    Cosecant is one of the main six trigonometric functions and is abbreviated as csc x or cosec x, where x is the angle. Secant Function Secant function is defined as the ratio of the hypotenuse and the …

  6. Cosecant Formula - GeeksforGeeks

    Jul 23, 2025 · Problem 6: If sin x = 12/13, find the value of cosec x using the formula. Solution: We have, sin x = 12/13. Using the formula we get, cosec x = 1/sin x = 1/ (12/13) = 13/12 Problem 7: If sec x = …

  7. 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 …

  8. 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 'csc'.

  9. Cosecant Calculator

    The cosecant calculator is here to help you whenever you're looking for the value of the cosecant function for a given angle.

  10. Trigonometric Identities - Math is Fun

    Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.