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 of triangles.

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 …

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), tangent (tan), …

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

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 …

Trigonometry is a branch of mathematics that focuses on triangles. Specifically, the relationship between the angles and sides of triangles. Trigonometry is derived from the Greek word “trigonon” meaning …

Feb 24, 2025 · Trigonometric functions, also known as ‘ circular functions,’ are the ratio between any two sides of a right triangle: the opposite side, the adjacent side, and the hypotenuse with respect to a …

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 angles of triangles.

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 circular functions) …

Master trigonometry with clear explanations, step-by-step solutions, and free guided notes at Understand the Math. This page covers angles, right triangle trigonometry, trigonometric functions, …

Trigonometry has been around for more than 3000 years. The Babylonians, the Greeks, and the Egyptians all used trigonometry to find the lengths of the sides of triangles and the measures of their …

In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to ratios of two side …

Jul 23, 2025 · Trigonometry formulas are equations that relate the various trigonometric ratios to each other. They are essential for solving a wide range of problems in mathematics, physics, engineering, …

Let's extend trigonometric ratios sine, cosine, and tangent into functions that are defined for all real numbers. You might be surprised at how we can use the behavior of those functions to model real …

Trigonometry comes from the two roots, trigonon (or “triangle”) and metria (or “measure”). The study of trigonometry is thus the study of measurements of triangles.

Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of a right …

Dec 22, 2025 · trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry.

You'll learn how to use trigonometric functions, their inverses, and various identities to solve and check equations and inequalities, and to model and analyze problems involving periodic motion, sound, …

Trigonometry Trigonometry is the study of the relationship that exists between the sides and the angles of a triangle. The study of trigonometry begins by studying the interrelationships between the angles …

Dec 12, 2025 · Trigonometry - Angles, Triangles, Sines: A somewhat more general concept of angle is required for trigonometry than for geometry. An angle A with vertex at V, the initial side of which is …

The term "trigonometry" was derived from Greek τρίγωνον trigōnon, "triangle" and μέτρον metron, "measure". [2] The modern words "sine" and "cosine" are derived from the Latin word sinus via …

Learn how to use sine, cosine, and tangent to solve real-world problems involving triangles and circular motion.