Trigonometric functions: Difference between revisions

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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 16:23, 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]\displaystyle{ \tan x = \frac{\sin x}{\cos x} }[/math]
  • [math]\displaystyle{ sec }[/math]: []