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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 …

  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 | Definition, Formulas, Ratios, & Identities | Britannica

    Dec 12, 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 …

  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. Trigonometric functions - Math.net

    Trigonometric functions are also called circular functions. The table below shows the six trigonometric function values for the specified angles in both degrees and radians.

  6. TRIG Definition & Meaning - Merriam-Webster

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

  7. Trig Calculator | Trigonometric Calculator

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

  8. 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 …

  9. Basic Trigonometric Functions | Brilliant Math & Science Wiki

    What can we measure in a triangle? The first objects that come to mind may be the lengths of the sides, the angles of the triangle, or the area contained in the triangle. We first explore …

  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 …