Pg. 384/408 Homework See later slide. #2V stretch 3, H stretch 2, V shift up 2, H shift left π #4V Stretch 2, H shrink ½, V shift up 1,H shift right π/2 #6D: R; R: [-2, 0] #8D: R; R: [0, 4] #10D: R except π + 2kπ; R: R #12D: R; R: [-6, 2] #14D: R; R: [-1, 5] #37

Formulas and Test Review Formulas!! cos (α + β) = cos α cos β – sin α sin β cos (α – β) = cos α cos β + sin α sin β sin (Ɵ/2) = cos (Ɵ/2) = tan (Ɵ/2) = Test Topics Transformations of Graphs Sinusoids (calculator and algebraic) Inverse Trig Solving with Trig and Inverse Trig and knowing the difference between them!! Solving Trig equations and inequalities algebraically and with a calculator Simplifying and verifying Trig Identities Sum, Difference, Double Angle Formulas

Practice Problems You may works in groups no more than three. I will be available to assist if you have questions. We will go over the answers together in class tomorrow. What is not finished in class is recommended to be finished for homework!! Pg. 381 Ex: #6 (calc)Pg. 391 Ex: #2 Pg. 395 #31, 37Pg. 397 Ex: #3 Pg. 408 #37Pg. 419 Ex: #2 Graph: Know all of the new identities from section 7-5. Algebraically solve: Pg. 424#13, 18, 20, 31, 36, 37, 40, 41, 53, 55, 57, 69, 77, 80 – 82