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  1. 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 …

  2. 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 …

  3. Trig Calculator | Trigonometric Calculator

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

  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 …

  5. Trigonometry Cheat Sheet - Symbolab

    Math Cheat Sheet for Trigonometry

  6. TRIG Definition & Meaning - Merriam-Webster

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

  7. Trigonometric Functions - Definition, Formula, Table, Identities, …

    Feb 24, 2025 · Trigonometric functions, also known as ‘ circular functions,’ are the ratio between any two sides of a right triangle: the opposite side, the adjacent side, and the hypotenuse with …

  8. 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 …

  9. List of trigonometric identities - Wikipedia

    In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. …

  10. Trigonometry Calculator

    Check out two popular trigonometric laws with the law of sines calculator and our law of cosines calculator, which will help you to solve any kind of triangle. This trigonometry calculator has …