Verify Identities Double Angle

The video tutorial explains the application of trigonometric identities, focusing on simplifying expressions involving sine and cosine. It begins with recognizing the identities and proceeds to demonstrate the simplification process, ultimately leading to a simplified expression involving tangent. The tutorial emphasizes understanding and identifying trigonometric identities for effective problem-solving.

Explain the process of rewriting the expression to achieve 1/2.

What identities should one look for when solving similar problems?