====== 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):

  INCLUDE "trigono.bas"

===== Constants =====

  SHARED CONST PI = 3.14159

===== Functions =====

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