atan function Null safety
- num x
Converts x
to a double and returns its arc tangent in radians.
Returns a value in the range -PI/2..PI/2, or NaN if x
is NaN.
Implementation
external double atan(num x);
Converts x
to a double and returns its arc tangent in radians.
Returns a value in the range -PI/2..PI/2, or NaN if x
is NaN.
external double atan(num x);