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 18:23, 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]: []