How to verify a trigonometric identity by using pythagorean identities

The video tutorial discusses various methods to solve mathematical problems, emphasizing that there is no single correct approach. It focuses on verifying identities by using tangent and secant identities, particularly Pythagorean identities. The instructor encourages students to try different methods and visualize the identities to understand them better. The tutorial also explores alternative methods to solve equations, highlighting the importance of memorizing key identities for easier problem-solving.

What new insight or understanding did you gain from this video?