Trigonometry: from Greek trigonon triangle + metron measure. Want to learn Trigonometry? Here is a quick summary. Follow the links for more, or...

Dec 12, 2025 · Trigonometry, the branch of mathematics concerned with specific functions of angles. There are six functions commonly used in trigonometry: sine (sin), cosine (cos), …

Trigonometry (from Ancient Greek τρίγωνον (trígōnon) 'triangle' and μέτρον (métron) 'measure') [1] is a branch of mathematics concerned with relationships between angles and side lengths …

Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and …

Trigonometry is one of the most important branches in mathematics. The word trigonometry is formed by clubbing words 'Trigonon' and 'Metron' which means triangle and measure …

Trignometry resources--video tutorials, interactive lessons and free calculators

Trigonometry Trigonometry (named based on a Greek word that loosely translates to "measurement of triangles") is a branch of mathematics that studies the relationships between …

Learn about trigonometry, and its relationship to triangles, especially right angled triangles. Find out about the basic functions of sine, cosine and tangent.

Free trigonometry math topic guide, including step-by-step examples, free practice questions, teaching tips and more!

Basis of trigonometry: if two right triangles have equal acute angles, they are similar, so their corresponding side lengths are proportional. In mathematics, the trigonometric functions (also …