Master Verifying Trigonometric Identities using the Sum and Difference formulas

The video tutorial explains how to verify trigonometric identities using sum and difference formulas. It covers the application of these formulas for sine, cosine, and tangent, providing step-by-step examples. The tutorial emphasizes the importance of recognizing when to use these formulas and demonstrates the process of simplifying and verifying identities through practical examples.

What is the sum and difference formula for sine?

What is the significance of the unit circle in verifying trigonometric identities?

Explain the process of evaluating sine and cosine at specific angles.

Describe how to apply the difference formula for cosine.

What is the tangent difference formula and how is it applied?

How can you simplify expressions involving sine and cosine using identities?

How do you verify an identity using the sum and difference formulas?