How to simplify an expression to verify the identity

The video tutorial focuses on simplifying trigonometric expressions using various identities. The instructor guides students through the process of applying even-odd and cofunction identities, rewriting expressions in terms of sines and cosines, and correcting mistakes. The tutorial emphasizes the importance of understanding identities and provides step-by-step instructions to simplify expressions effectively.

What happens when you multiply cosine squared of X by sine squared of X?

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What should you do if you notice a problem with the right-hand side of an equation?

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