Trigonometry - Wikipedia
Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles.
Introduction to Trigonometry - Math Is Fun
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 ...
trigonometry | Definition, Formulas, Ratios, & Identities ...
Trigonometry: Trigonometry, the branch of mathematics concerned with specific functions of angles.
Trigonometry | Khan Academy
Learn trigonometry for free—right triangles, the unit circle, graphs, identities, and more. Full curriculum of exercises and videos.
Trigonometry -- from Wolfram MathWorld
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: Theorems, formula, rules and Worksheets
Trignometry resources--video tutorials, interactive lessons and free calculators
Trigonometry with right triangles | Math | Khan Academy
Learn the basics of trigonometry: What are sine, cosine, and tangent? How can we use them to solve for unknown sides and angles in right triangles?
Trigonometry Homework Help | Free Online Trigonometry ...
Get Trigonometry homework help online. Gain complete understanding of Trigonometry with our free trigonometry course covering formulas, degrees, equations and more.
What Is Trigonometry?
Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.
Free Trigonometry Tutorials and Problems
Free Tutorials, problems and self tests on trigonometry. Examples and problems with solutions are included.