Verifying a trigonometric Identities

The video tutorial explains how to simplify a trigonometric identity by focusing on the more complex side of the equation. It discusses the use of various trigonometric identities, including reciprocal, quotient, and Pythagorean identities, to rewrite and simplify the equation. The process involves converting terms to sines and cosines, combining like terms, and applying the Pythagorean identity to eliminate unnecessary terms. The tutorial concludes by showing how the simplified expression matches the right side of the equation, demonstrating the use of secant as a reciprocal identity.

How can you express sine squared in terms of cosine squared?

What is the final result of simplifying the trigonometric identity discussed?