Formulas for Trigonometric Functions: Sum/Difference, Double/Half-Angle, Prod-to-Sum/Sum-to-Prod

The video tutorial covers essential trigonometric formulas, including sum and difference, double angle, power-reducing, half-angle, and product-to-sum formulas. It explains their derivations, applications, and how to use them to find exact values of trigonometric functions. The tutorial emphasizes the importance of these formulas in solving trigonometric problems and verifying identities.

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