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  1. Trigonometric functions - Wikipedia

    The trigonometric functions most widely used in modern mathematics are the sine, the cosine, and the tangent functions. Their reciprocals are respectively the cosecant, the secant, and the …

  2. Trigonometric functions - Math.net

    Trigonometric functions are functions related to an angle. There are six trigonometric functions: sine, cosine, tangent and their reciprocals cosecant, secant, and cotangent, respectively.

  3. 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 …

  4. Trigonometry | Definition, Formulas, Ratios, & Identities | Britannica

    Dec 12, 2025 · Trigonometry, the branch of mathematics concerned with specific functions of angles. There are six functions commonly used in trigonometry: sine (sin), cosine (cos), …

  5. Trigonometric Functions - Formulas, Graphs, Examples, Values

    What are Trigonometric Functions? There are six basic trigonometric functions used in Trigonometry. These functions are trigonometric ratios. The six basic trigonometric functions …

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

    Feb 24, 2025 · What are the trigonometric functions. Learn how to find its values with its list, formula, properties, and examples.

  7. Basic Trigonometric Functions | Brilliant Math & Science Wiki

    What can we measure in a triangle? The first objects that come to mind may be the lengths of the sides, the angles of the triangle, or the area contained in the triangle. We first explore …

  8. Trigonometry - from Wolfram MathWorld

    Dec 22, 2025 · The trigonometric functions (also called the circular functions) comprising trigonometry are the cosecant , cosine , cotangent , secant , sine , and tangent . The inverses …

  9. Introduction to the 6 trigonometry functions - Math Open …

    Trigonometry functions - introduction There are six functions that are the core of trigonometry. There are three primary ones that you need to understand completely: Sine (sin) Cosine (cos) …

  10. Trigonometry Formulas - List of All Trigonometric Identities and ...

    Jul 23, 2025 · Trigonometry formulas are equations that relate the various trigonometric ratios to each other. They are essential for solving a wide range of problems in mathematics, physics, …