Learning Outcomes Verify the fundamental trigonometric identities. Simplify trigonometric expressions using algebra and the identities. Verify the fundamental trigonometric identities Identities enable us to simplify complicated expressions. They are the basic tools of trigonometry used in solving trigonometric equations, just as factoring, finding common denominators, and using special formulas are the basic tools of solving … Continue reading Solving Trigonometric Equations With Identities