Evaluating Trigonometry Expressions with Half and Double Angles Pt2

In a 2 part video I work many examples of evaluating trigonometric expressions involving half and double angle identities. Evaluating Trigonometry Expressions with Half and Double Angles Pt1    • Evaluating Trigonometry Expressions w...   Check out http://www.ProfRobBob.com/, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com/ If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage    / profrobbob