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Learn the various meanings and uses of the word tangent, from trigonometry to grammar. Find synonyms, examples, etymology, and related phrases of tangent.
In geometry, the tangent line (or simply tangent) to a plane curve at a given point is, intuitively, the straight line that "just touches" the curve at that point. Leibniz defined it as the line through a pair of infinitely close points on the curve.
Learn how to define and calculate tangent, one of the six trigonometric functions, using right triangles and unit circles. Find tangent values for common angles, use a tangent calculator, and explore the graph of tangent.
Learn how to calculate sine, cosine and tangent of any angle using a right triangle. See examples, graphs, animations and exercises on these trigonometric functions.
Tangent is a trigonometric function that relates the lengths of opposite and adjacent sides of a right triangle. Learn how to calculate tangent, its identities, graphs, and properties, and see examples and applications.
- The Editors of Encyclopaedia Britannica
Learn what a tangent is in geometry, how to draw and find tangents to a circle, and the tangent radius and two tangents theorems. Explore the equation of the tangent and related topics with examples and worksheets.
Learn the meaning, formula and applications of tangent in geometry and trigonometry. Find out how to calculate the tangent of a circle, a right triangle and a function, and see examples and problems.
