In this video, the instructor takes viewers through the step-by-step process of verifying two trig identities using fundamental and Pythagorean identities. The lesson emphasizes the importance of knowing these identities well and provides strategies for tackling more complex proofs. By working through both sides of the equation, the instructor demonstrates how to manipulate trig functions and use algebraic techniques to simplify expressions and arrive at the desired result.
Shows steps for proving (or verifying) Trigonometric Identities;
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com