Returns a plot in Cartesian coordinates by calling the function for each value of x
to get the corresponding y value, and drawing a dot at the coordinates.
plot(...funcs, max?)
funcs variadic
Functions to plot.
A function accepts an x coordinate and must return the corresponding y coordinate.
Each function will be drawn in a different color.
max optional
If the last argument is a number, it is used as the maximum value of x.
A Plot object.
plot(x=>sin(x), x=>cos(x), x=>tan(x))