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Curated by: GreeneMath.com (69 videos)
http://www.greenemath.com/ Here, we will learn how to work with trigonometric identities. This course will cover the fundamental identities, the sum and difference identities for cosine, sine, and tangent, the double-angle identities, the half-angle identities, the product-to-sum identities, the sum-to-product-identities, and how to verify trigonometric identities. 0:00 What are the fundamental identities in Trigonometry 19:30 How to verify trigonometric identities 42:08 Sum and difference identities for cosine 58:20 Sum and difference identities for sine and tangent 1:24:27 Double-angle, product-to-sum, and sum-to-product identities 1:50:25 Half-angle identities
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