How to verify a trigonometric identity

The video tutorial explains the concept of mathematical identities, emphasizing that two expressions can be equivalent even if they look different. It guides students through the process of verifying identities by working on one side of the equation at a time, focusing on simplification and the use of trigonometric identities. The tutorial also highlights the importance of using equal signs throughout the process and concludes with a Q&A session to reinforce understanding.

Explain the process of simplifying an expression involving trigonometric functions. What steps would you take?

In the context of the lesson, how do you handle like terms when working with trigonometric identities?