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  1. 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 shown by the …

  2. 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 of triangles.

  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), tangent (tan), …

  4. Trigonometry - Math Steps, Examples & Questions

    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 “trigonon” meaning …

  5. Trigonometry | Algebra 2 | Math | Khan Academy

    Let's extend trigonometric ratios sine, cosine, and tangent into functions that are defined for all real numbers. You might be surprised at how we can use the behavior of those functions to model real …

  6. What is Trigonometry? - Basic-mathematics.com

    Trigonometry has been around for more than 3000 years. The Babylonians, the Greeks, and the Egyptians all used trigonometry to find the lengths of the sides of triangles and the measures of their …

  7. Trigonometry - Math.net

    Trigonometry (named based on a Greek word that loosely translates to "measurement of triangles") is a branch of mathematics that studies the relationships between the sides and angles of triangles.

  8. brush up on your Trigonometry!! Trigonometry is a branch of mathematics that focuses on relationships between th. sides and angles of triangles. The word trigonometry comes from the Latin derivative of …

  9. Trigonometry -- from Wolfram MathWorld

    Dec 22, 2025 · The study of angles and of the angular relationships of planar and three-dimensional figures is known as trigonometry. The trigonometric functions (also called the circular functions) …

  10. What is Trigonometry? Formulas, Table, Examples - Cuemath

    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 called …