cos function Null safety
- num radians
Converts radians
to a double and returns the cosine of the value.
If radians
is not a finite number, the result is NaN.
Implementation
external double cos(num radians);
Converts radians
to a double and returns the cosine of the value.
If radians
is not a finite number, the result is NaN.
external double cos(num radians);