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Trigonometry - Wikipedia
Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships between side lengths and angles of triangles.The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies. The Greeks focused on the calculation of chords, while mathematicians in India created the earliest ...

Trigonometry - Maths Resources
Trigonometry helps us find angles and distances, and is used a lot in science, engineering, video games, and more! Right-Angled Triangle. The triangle of most interest is the right-angled triangle.The right angle is shown by the little box in the corner:

trigonometry | Definition, Formulas, Ratios, & Identities ...
Trigonometry in the modern sense began with the Greeks. Hipparchus (c. 190–120 bce) was the first to construct a table of values for a trigonometric function.He considered every triangle—planar or spherical—as being inscribed in a circle, so that each side becomes a chord (that is, a straight line that connects two points on a curve or surface, as shown by the inscribed triangle ABC in ...

Trigonometry | Khan Academy
Learn trigonometry for free—right triangles, the unit circle, graphs, identities, and more. Full curriculum of exercises and videos.

Introduction to Trigonometry | SkillsYouNeed
Trigonometry, as the name might suggest, is all about triangles. More specifically, trigonometry is about right-angled triangles, where one of the internal angles is 90°. Trigonometry is a system that helps us to work out missing sides or angles in a triangle. There is more about triangles on our ...

What Is Trigonometry? | Live Science
Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be ...

Trigonometry- Basics, Table, Formulas and Problems
Trigonometry is one of the important branches in the history of mathematics and this concept is given by a Greek mathematician Hipparchus. Basically, it is the study of triangles where we deal with the angles and sides of the triangle. To be more specific, its all about a right-angled triangle.

Mathway | Trigonometry Problem Solver
Free math problem solver answers your trigonometry homework questions with step-by-step explanations.

Trigonometry: Theorems, formula, rules and Worksheets
Trignometry resources--video tutorials, interactive lessons and free calculators

How To Learn Trigonometry Intuitively – BetterExplained
Motivation: Trig Is Anatomy. Imagine Bob The Alien visits Earth to study our species. Without new words, humans are hard to describe: “There’s a sphere at the top, which gets scratched occasionally” or “Two elongated cylinders appear to provide locomotion”.




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