Trigonometric functions

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Revision as of 18:23, 11 June 2009 by A WASSERMANN (talk | contribs)
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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]: []