Trigonometric Identities from Euler's Formula

Have you ever wondered if there's a way to keep track of all those trig. identities that you always need but constantly forget? I've got you covered! We go through how to use Euler's Formula to derive the double angle and sum of angles identities from scratch. This is a great trick to use on exams, since use professors love sneaking trig. identities into questions. Euler's Formula:    • Euler's Formula - Introduction   Looking for a specific problem or topic? Try checking my website: https://www.blacktshirtmathprofessor.... ► Artist Attribution Music By: "After The Fall" Track Name: "Pieces" Music Published by: Chill Out Records LLC License: Creative Commons Attribution 4.0 International (CC BY - 4.0) Full license here: https://creativecommons.org/licenses​