Question

How do you graph of the function `y=arctan(x)`?

Answer 1

`arctan(tan(x)) = x`

If we create a table of typical `x` and `tan(x)` values
and then modify the labels:

Plot the (modified label) table
and you should get something like:

graph{arctan(x) [-6.24, 6.247, -3.12, 3.12]}