Outline of trigonometry

The following outline is provided as an overview of and topical guide to trigonometry:

Trigonometry branch of mathematics that studies the relationships between the sides and the angles in triangles. Trigonometry defines the trigonometric functions, which describe those relationships and have applicability to cyclical phenomena, such as waves.

Basics

∠, the angle symbol in Unicode is U+2220
  • Geometry mathematics concerned with questions of shape, size, the relative position of figures, and the properties of space. Geometry is used extensively in trigonometry.
  • Angle the angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane.
  • Ratio a ratio indicates how many times one number contains another

Content of trigonometry

Scholars

History

Fields

Uses of trigonometry

Physics

Astronomy

Chemistry

Geography, geodesy, and land surveying

Engineering

Analog devices

Calculus

Other areas of mathematics

Geometric foundations

Trigonometric functions

Trigonometric identities

Trigonometric identity (list)

Solution of triangles

Solution of triangles

More advanced trigonometric concepts and methods

Numerical mathematics

Trigonometric tables

Trigonometric tables

Spherical trigonometry

Spherical trigonometry

Mnemonics

mnemonics in trigonometry

Lists

See also

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