And there's actually a couple of ways you could do it. There's one way you could do this without a calculator, by just inspecting what's going on here and thinking about the properties of the cosine function. And if that inspires you, pause the video and work it out, and I will do that at the end of this video. The other way, if you have a calculator, is to do it with a little bit of a table, like we've done in other example problems. So if we think about x approaching two from the positive direction, well, then we can make a little table here where you have x and then you have f of x. And so if we're approaching two from values greater than two you could have 2.1, 2.01. Now, the reason why I said calculators, these aren't trivial to evaluate because this would be, what, 2.1 over one minus cosine of 2.1 minus two is 0.1.