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 …

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

Trigonometry, the branch of mathematics concerned with specific functions of angles. There are six functions commonly used in trigonometry: sine (sin), cosine (cos), tangent (tan), cotangent …

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

三角学 (trigonometry)数学的一门分科，包括平面三角学和球面三角学。 平面三角学研究三角函数的性质和图象、三角函数式的恒等变换、解三角形等。 球面三角学研究球面三角形的边角关 …

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

三角学 （英語： Trigonometry）是 數學 的一個分支，主要研究 三角形，以及三角形中边与角之间的关系。 三角学定義了 三角函數，可以描述三角形边与角的关系，而且都是 周期函数，可以 …

Dec 3, 2025 · The study of angles and of the angular relationships of planar and three-dimensional figures is known as trigonometry. The trigonometric functions (also called the …

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 …

Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the...