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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. 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 …

  3. 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), …

  4. 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.

  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. 8.2: Trigonometric Functions of Any Angle - Mathematics …

    Jul 30, 2025 · In general, if two angles differ by an integer multiple of 360 ∘ then each trigonometric function will have equal values at both angles. Angles such as these, which have …

  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 - Wikipedia

    Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle' and μέτρον (métron) 'measure') [1] is a branch of mathematics concerned with relationships between angles and side lengths …