Using pythagorean identities to help me verify an identity

The video tutorial explains how to simplify and verify trigonometric identities using Pythagorean identities. It begins with an introduction to the identities, followed by applying them to simplify expressions involving secant and sine. The tutorial then explores reciprocal identities and uses the distributive property to verify the identities, demonstrating the process step-by-step.

What happens when you apply the distributive property to the expression involving secant squared?

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How do you verify the identity using Pythagorean identities?

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