Product-to-Sum and Sum-to-Product Identities for Trigonometric Functions (Tagalog/Filipino Math)

Hi guys! This video discusses the product-to-sum and sum-to-product of angles identities for trigonometric functions. We will apply the formula for them to evaluate trigonometric functions of special angles without using calculators. Happy learning and enjoy watching! #enginerdmath #trigonometry #producttosumandsumtoproductofanglesidentities

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