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  1. 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 …

  2. Introduction to Trigonometry - Math is Fun

    Trigonometry can find that missing angle and distance. Questions like these are common in engineering, computer animation and more. And trigonometry gives the answers! The main …

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

    May 11, 2025 · trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly …

  4. Trigonometric functions - Math.net

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

  5. Khan Academy

    Learn trigonometry—right triangles, the unit circle, graphs, identities, and more.

  6. Trigonometry - What is Trigonometry? Formulas, Table, …

    Trigonometry is the branch of mathematics that deals with the relationship between ratios of the sides of a right-angled triangle with its angles. The ratios used to study this relationship are …

  7. 1.3: Trigonometric Functions - Mathematics LibreTexts

    Trigonometric functions allow us to use angle measures, in radians or degrees, to find the coordinates of a point on any circle—not only on a unit circle—or to find an angle given a point …

  8. What is Trigonometry? - BYJU'S

    The trigonometric ratios of a triangle are also called the trigonometric functions. Sine, cosine, and tangent are 3 important trigonometric functions and are abbreviated as sin, cos and tan. Let us …

  9. Trigonometry - Math Steps, Examples & Questions - Third Space …

    Trigonometry is a branch of mathematics that focuses on triangles. Specifically, the relationship between the angles and sides of triangles. Trigonometry is derived from the Greek word …

  10. 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 …

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