About 420,000 results
Open links in new tab
  1. Introduction to 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 …

  2. Trigonometry - Wikipedia

    Trigonometry is known for its many identities. These trigonometric identities [5] are commonly used for rewriting trigonometrical expressions with the aim to simplify an expression, to find a …

  3. 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 …

  4. Trig Calculator | Trigonometric Calculator

    This trig calculator finds the values of trig functions and solves right triangles using trigonometry.

  5. Home - Trig, Inc.

    Trig, Inc. is a sales, marketing, and management team headquartered in Columbus, Ohio. Trig, Inc. represents clients in the energy industry, using a personal approach to build relationships …

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

    Oct 2, 2025 · There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and …

  7. Trigonometric Identities - Definition, List, Proofs, and Examples

    Mar 7, 2025 · Trigonometric identities are classified based on the type of relationships they describe among trigonometric functions. These identities express the reciprocal relationships …

  8. TRIG Definition & Meaning - Merriam-Webster

    The meaning of TRIG is trigonometry. How to use trig in a sentence.

  9. Trig Formulas - Math Steps, Examples & Questions

    What are trig formulas? Trig formulas, or trigonometry formulas, are formulas that are used to represent relationships between the parts of a triangle including the side lengths, angles and …

  10. Trigonometric functions - Wikipedia

    In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to …