facos(var x, var f)
Arc cosine, argument divided by the factor f.
Inverse of fcos(x,f).
Parameters:
| x |
cosine value multiplied by f. |
| f |
scale factor for dividing x. |
Returns:
acos(x / f), angle in degrees.
Speed:
FastExample:
x = facos(0, 10); // x is 90
x = facos(707,1000); // x is 45
See also:
cos, acos,
fcos