Cofunction Identities (Trigonometry) - Understanding Them

Understand cofunction trig identities in this free math video tutorial by Mario's Math Tutoring. We discuss where these cofunction identities come from, how to use them, and go over the identities themselves. Timestamps: 00:00 Intro 0:11 What are the Cofunction Identities 0:33 Understanding Where the CoFunctions Come From 1:51 Example 1 tan(pi/2 - theta)/cos(theta) 2:38 Example 2 (sin10)^2 + (cos10)^2 = Related Videos: Verifying Trig Identities Examples    • Verify Trig Identities (5 Examples)   Trig Identities Simplifying    • Simplifying Trigonometric Expressions (Usi...   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