# Difference between revisions of "Trigonometric functions"

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The well known trigonometric functions can be visualized on the circle | The well known trigonometric functions can be visualized on the circle | ||

− | of radius 1. | + | of radius 1. See [http://en.wikipedia.org/wiki/Trigonometric_functions http://en.wikipedia.org/wiki/Trigonometric_functions] for the definitions. |

− | * <math>tan</math> | + | * <math>\tan x = \frac{\sin x}{\cos x}</math> |

* <math>sec</math>: [] | * <math>sec</math>: [] | ||

## Revision as of 17:23, 11 June 2009

The well known trigonometric functions can be visualized on the circle of radius 1. See http://en.wikipedia.org/wiki/Trigonometric_functions for the definitions.

- [math]\tan x = \frac{\sin x}{\cos x}[/math]
- [math]sec[/math]: []