We are done. We have shown that the left hand side equals the right hand side, and that the derivative of
A good way to get better at finding derivatives for trigonometric functions is more practice! You can try out more practice problems at the top of this page. Once you are familiar with this topic, you can also try other practice problems. Soon, you will find all derivatives problems easy to solve.
At Cymath, we believe that sufficient practice and step-by-step guidance can help students master most differentiation and integration problems. You can try our online solver anytime, or download the Cymath homework helper app for iOS and Android today!