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  1. Trigonometric functions - Wikipedia

    Today, the most common versions of these abbreviations are " sin " for sine, " cos " for cosine, " tan " or " tg " for tangent, " sec " for secant, " csc " or " cosec " for cosecant, and " cot " or " ctg …

  2. Sine Function in Math – Definition, Formula, Examples

    Feb 18, 2025 · The sine function, commonly written as sin (θ), is the ratio of the opposite side to the hypotenuse of a right triangle. It is one of the primary trigonometric functions used in …

  3. Sine -- from Wolfram MathWorld

    The sine function is one of the basic functions encountered in trigonometry (the others being the cosecant, cosine, cotangent, secant, and tangent). Let be an angle measured …

  4. Sine, Cosine and Tangent - Math is Fun

    Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of …

  5. Sine Function - GeeksforGeeks

    Jul 23, 2025 · In this article, we will discuss the Sine Function in Trigonometry, its definition, formula, and values of the Sine Function for different values of angles, as well as its key …

  6. Sine | Definition, Formulas, & Facts | Britannica

    sine, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is sin A = length of side opposite angle A/ length of hypotenuse. (The other five trigonometric functions …

  7. Sine - Math.net

    Sine, written as sin⁡ (θ), is one of the six fundamental trigonometric functions. There are two main ways in which trigonometric functions are typically discussed: in terms of right triangles …

  8. Trigonometric Functions - Definition, Formula, Table, Identities, …

    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 …

  9. The sine function - math word definition - Math Open Reference

    In calculus, the derivative of sin (x) is cos (x). This means that at any value of x, the rate of change or slope of sin (x) is cos (x). For more on this see Derivatives of trigonometric …

  10. Sine - Graph, Table, Properties, Examples | Sine Function

    In this article, we will learn the basic properties of sin x, sine graph, its domain and range, derivative, integral, and power series expansion. The sine function is a periodic function and …