Search results
Learn the basics of trigonometry, the branch of mathematics that deals with triangles and angles. Find out how to use sine, cosine and tangent functions, and how to solve triangles with trigonometry.
Learn how to calculate sine, cosine and tangent of any angle using a right triangle. See examples, graphs, animations and exercises to understand and apply these trigonometric functions.
Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today! About. News. Impact. Our team. Our interns. Our content specialists.
Trig explains the anatomy of “math-made” objects, such as circles and repeating cycles; The dome/wall/ceiling analogy shows the connections between the trig functions; Trig functions return percentages, that we apply to our specific scenario
Explore. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today! About. News.
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.
Learn the basics of trigonometry, a branch of mathematics that studies the relationships between the sides and angles of triangles. Find out how to use trigonometric functions, identities, and formulas for right and oblique triangles with examples and exercises.
