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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. 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 …

  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. TRIG Definition & Meaning - Merriam-Webster

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

  6. HICL and TRIG abandon £5.3B merger plan after shareholder revolt

    5 days ago · HICL scraps £5.3B merger with TRIG after investor backlash, despite boards insisting the deal offered scale, liquidity and strategic benefits.

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

    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 …

  8. 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. …

  9. Trigonometric function | Definition, Formula, & Concepts

    Nov 28, 2025 · trigonometric function, in mathematics, one of the six functions (sine [sin], cosine [cos], tangent [tan], cotangent [cot], secant [sec], and cosecant [csc]) that represent ratios of …

  10. Trigonometric functions | Algebra (all content) - Khan Academy

    Test your understanding of Trigonometric functions with these 13 questions.