Verify the identity using the sum and difference formulas

The video tutorial explains a trigonometric formula involving sine and cosine, using the unit circle for evaluation. It provides a step-by-step breakdown of the process, demonstrating how to apply the formula and verify the results. The tutorial emphasizes understanding each step and verifying the outcome.

Can you summarize the steps taken to evaluate the expression discussed?

What is the result of zero minus Theta, and how is it derived?