Double-Angle, Product-to-Sum, and Sum-to-Product Identities

Explore double-angle, product-to-sum, and sum-to-product identities in this comprehensive 26-minute video lesson. Learn how to find sin 2θ, cos 2θ, and tan 2θ, and discover techniques for determining the six trigonometric function values when given cos 2θ. Practice verifying trigonometric identities through two detailed examples. Delve into product-to-sum and sum-to-product identities to enhance your understanding of trigonometric relationships. This educational content from GreeneMath.com offers a structured approach to mastering these essential trigonometric concepts, suitable for students seeking to strengthen their mathematical skills.

Introduction to Double-Angle Identities.
Finding sin 2θ, cos 2θ, and tan 2θ.
Finding the six trigonometric function values given cos 2θ.
Verifying Trigonometric Identities Example #1.
Verifying Trigonometric Identities Example #2.
Product-to-Sum Identities.
Sum-to-Product Identities.