Converts x
to a dobule and returns the arc tangent of the value.
Returns a value in the range -PI/2..PI/2, or NaN if x
is NaN.
Source
external double atan(num x);
Converts x
to a dobule and returns the arc tangent of the value.
Returns a value in the range -PI/2..PI/2, or NaN if x
is NaN.
external double atan(num x);