A Complete Video Series intended to prepare students for Calculus 1. The playlist will cover both College Algebra and Trigonometry.
Curated by: Professor Leonard (115 videos)
The proofs of Double Angle Formulas and Half Angle Formulas for Sine, Cosine, and Tangent. These proofs help understand where these formulas come from, and will also help in developing future identities. Support: https://www.patreon.com/ProfessorLeonard