Sum and Difference Identities and Formulas - Sine, Cosine, Tangent - Degrees and Radians, Trigonometry

Learn how to apply sum and difference identities and formulas for sine, cosine, and tangent functions in trigonometry. Explore techniques for evaluating angles not commonly found in the unit circle, using both degrees and radians. Master the application of these formulas through various examples, including special triangles and tangent calculations. Enhance your understanding of trigonometric functions and their relationships, building a strong foundation for advanced mathematical concepts.