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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 more useful …

  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 shown by the …

  3. Trig Calculator | Trigonometric Calculator

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

  4. 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.

  5. 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 cosecant …

  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, and ...

    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 respect to a …

  8. Khan Academy | Khan Academy

    Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  9. trig - Wiktionary, the free dictionary

    1 day ago · Verb trig (third-person singular simple present trigs, present participle trigging, simple past and past participle trigged) (transitive) To stop (a wheel, barrel, etc.) by placing something under it; to …

  10. Trigonometric Functions - Interactive Mathematics

    This chapter explains how the trig functions of sin, cos, tan, csc, sec and cot can be used to solve problems.