Always make sure whether you're gonna use, especially with these transcendental functions, that hey, if this is a composition, you've gotta use the chain rule, not the product rule. It's not the product. Now sometimes you have a combination. You have a product of compositions, and then things get a little bit more involved. But pay close attention to make sure that you're not dealing with a composition. Now the next misconception students have is even if they recognize, okay, I've gotta use the chain rule, sometimes it doesn't go fully to completion. So let's continue using this example.