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  1. Introduction to Trigonometry - Math is Fun

    Trigonometry: from Greek trigonon triangle + metron measure. Want to learn Trigonometry? Here is a quick summary. Follow the links for more, or...

  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. In …

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

    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), tangent (tan), …

  4. Trigonometry | Khan Academy

    Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and unlocking the power of …

  5. Trigonometry Calculator

    Trigonometry is a branch of mathematics. The word itself comes from the Greek trigōnon (which means "triangle") and metron ("measure"). As the name suggests, trigonometry deals primarily with angles …

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

    Trigonometry 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. Trigonometry is a branch of mathematics that focuses on relationships between the sides and angles of triangles. The word trigonometry comes from the Latin derivative of Greek words for triangle …

  8. Trigonometry - Math Steps, Examples & Questions

    Free trigonometry math topic guide, including step-by-step examples, free practice questions, teaching tips and more!

  9. Trigonometry Formulas - List of All Trigonometric Identities ...

    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, engineering, …

  10. Trigonometry - Math.net

    Trigonometry 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 …