ACos (open)
Returns the arccosine of a value.
Syntax
LOADLIB "wh::float.whlib";
FLOAT FUNCTION ACos(FLOAT value)
Parameters
FLOAT value
The FLOAT value from which to determine the arccosine
Return value
FLOAT
The arccosine of @italic value in radians
Examples
// The FLOAT value will be 1.5707...
FLOAT f := ACos(0.0);