Question

What is the range of `cot x`?

Answer 1

The range of `cotx` is `(-oo, oo)` or all real numbers.

Explanation:

First, let's graph it:

It would make more sense if there were arrows going up and down to show that these are really continuous graphs, not stopping, but just assume that they have arrows. As you can see, the lines go infinitely larger/smaller.