What is the range of #cot x#?

1 Answer
Apr 6, 2018

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


First, let's graph it:

enter image source here

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.