Learn how to verify a trigonometric identity by distributive property

The video tutorial explains how to approach a mathematical problem by setting up the left and right sides, choosing the appropriate side for applying operations, and using identities to simplify expressions. The instructor emphasizes the importance of grouping identities and rewriting expressions in terms of sines and cosines to achieve simplification. The session concludes with a review and practice of the operations discussed.

How does rewriting everything in terms of sines and cosines help in simplifying the expression?

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What is the final expression obtained after applying the operations discussed in the text?

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