num x
) Converts x
to a double and returns the tangent of the value.
The tangent function is equivalent to sin(x)/cos(x)
and may be
infinite (positive or negative) when cos(x)
is equal to zero.
If x
is not a finite number, the result is NaN.
Source
/**
* Converts [x] to a double and returns the tangent of the value.
*
* The tangent function is equivalent to [:sin(x)/cos(x):] and may be
* infinite (positive or negative) when [:cos(x):] is equal to zero.
* If [x] is not a finite number, the result is NaN.
*/
external double tan(num x);