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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. 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 …

  5. TRIG Definition & Meaning - Merriam-Webster

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

  6. 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.

  7. Trigonometry For Beginners! - YouTube

    It covers trigonometric ratios such as sine, cosine, and tangent. It explains how to evaluate it using right triangle trigonometry and SOHCAHTOA. In addition, it explains how to solve the missing...

  8. Periods of the Trig Functions The period of a function is the number, T, such that f ( +T ) = f ( ) . So, if ! is a xed number and is any angle we have the following periods.

  9. 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.

  10. 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 called …