Evaluate sine using the sum and difference formula

The video tutorial covers the process of angle substitution in trigonometry, focusing on rewriting angles as sums or differences of known angles. It explains how to convert angles into preferred forms and apply trigonometric formulas. The tutorial guides students through identifying angles U and V, using them in formulas, and evaluating and simplifying trigonometric expressions. Key steps include identifying angles, applying formulas, evaluating expressions, and simplifying results.

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