How to Use Double Angle Formulas скачать в хорошем качестве

How to Use Double Angle Formulas

Learn how to work with the Double Angle Formulas for sine, cosine, and tangent in this free math video tutorial by Mario's Math Tutoring. Timestamps: 00:00 Intro 0:11 Double angle formulas for sine, cosine, and tangent 1:01 Example 1 Given an angle find the trig ratios for double the angle 3:26 Example 2 Rewriting 8sinxcosx using double angles 4:24 Example 3 Rewriting 10cos^2(x) - 5 5:03 Example 4 Solving sin2x-sinx=0 using double angle formulas 6:33 Example 5 Solving cos2x+sinx=0 Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below) http://www.mariosmathtutoring.com/fre... ➡️JOIN the channel as a CHANNEL MEMBER at the "ADDITIONAL VIDEOS" level to get access to my math video courses(Algebra 1, Algebra 2/College Algebra, Geometry, and PreCalculus), midterm & final exam reviews, ACT and SAT prep videos and more! (Over 390+ videos)    / @mariosmathtutoring