====== TRIGONO.BAS ======

The //trigono.bas// library implements fundamental trigonometric functions.

===== Usage =====

You must include the library before you can use its features (preferably at the top of your program):

<code xcbasic>
INCLUDE "trigono.bas"
</code>
===== Constants =====

<code xcbasic>
SHARED CONST PI = 3.14159
</code>
===== Functions =====

  * [[ATN]]
  * [[COS]]
  * [[SIN]]
  * [[TAN]]