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)
What the Sum and Difference formulas are for the three basic trig functions, where they come from, and how to use them to find exact solutions to angles that are not on the Unit Circle. Support: https://www.patreon.com/ProfessorLeonard