Main sections
COS()
a=COS(angle#)
Return the cosine of an angle# in DEG-mode (0-360°).
The result will be in the range -1 to +1.
Sample:
// Circle flight of an X
FOR alpha=0 TO 360
PRINT "X", 150*SIN(alpha) + 150, 150*COS(alpha) +150
SHOWSCREEN
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