Maths.acos(3kaya)
Arccosine
Float acos( Float x )
x The cosine of the angle
x
Returns an angle for which x is the cosine.
Maths.asin (3kaya)
Maths.atan (3kaya)
Maths.cos (3kaya)
4 releases since Debian 5.0 (Lenny); the text changed 3 times.