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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 - 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.

  3. 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.

  4. 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 …

  5. Introduction to Trigonometry - Math is Fun

    Trigonometry helps us find angles and distances, is used a lot in science, engineering, video games, and more! The triangle of most interest is the right-angled triangle. The right angle is …

  6. 1.3: Trigonometric Functions - Mathematics LibreTexts

    In this section, we define the six basic trigonometric functions and look at some of the main identities involving these functions. To use trigonometric functions, we first must understand …

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

    Oct 2, 2025 · Trigonometry, the branch of mathematics concerned with specific functions of angles. There are six functions commonly used in trigonometry: sine (sin), cosine (cos), …

  8. Trigonometry functions - introduction - Math Open Reference

    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) …

  9. Here is a review the basic definitions and properties of the trigonometric functions. We provide a list of trig identities at the end. 1. Definitions. The trigonometric functions are defined as ratios …

  10. Trigonometric Functions - GeeksforGeeks

    Jul 23, 2025 · Trigonometric Functions, often simply called trig functions, are mathematical functions that relate the angles of a right triangle to the ratios of the lengths of its sides.