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  1. Introduction to Trigonometry - Math is Fun

    The main functions in trigonometry are Sine, Cosine and Tangent. They are simply one side of a right-angled triangle divided by another. For any angle "θ": (Sine, Cosine and Tangent are …

  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 …

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

    May 11, 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. What is Trigonometry? - BYJU'S

    In this article, we are going to learn the basics of trigonometry such as trigonometry functions, ratios, trigonometry table, formulas and many solved examples.

  5. 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 …

  6. Introduction to Trigonometry | SkillsYouNeed

    Learn about trigonometry, and its relationship to triangles, especially right angled triangles. Find out about the basic functions of sine, cosine and tangent.

  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 …

  8. Trigonometry - AQA - GCSE Maths Revision - BBC

    Learn and revise trigonometric ratios of sine, cosine and tangent and calculate angles and lengths in right-angled triangles with GCSE Bitesize AQA Maths.

  9. What is trigonometry? - Basic-mathematics.com

    Therefore, trigonometry is a branch of mathematics but especially a branch of geometry, that specializes in the measurement of triangles. Suppose you have a right-angled triangle such as …

  10. What Is Trigonometry? Definition, Formulas & Applications

    May 16, 2025 · Trigonometry is a branch of mathematics that deals with the study of triangles. It is sometimes informally referred to as "trig." In trigonometry, mathematicians study the …