Math 120: Pre-calculus 2 Instructor: Mike Panitz (mpanitz@cascadia.ctc.edu) Today • Even-Odd Properties of Trig functions • Finding Values of Trig Functions, using just the identities • Proving / Establishing Trig Identities: – Section (7.3 / 4e (9.3 / 3e)) • Exam Review (Q+A) Math 120: Pre-Calculus 2! 2 Next Lecture • Exam #1 – Show up @ 1:15pm, sharp – Bring writing utensils – pencils are good, pens ok – Bring your calculator – You have the entire class time • Should take 1 – 1½ hours – Once you’re done, you’re free to leave Math 120: Pre-Calculus 2! 3 Next next Lecture (Next Tuesday) • Sum & Product Formulas – Section (7.4 / 4e (9.4 / 3e)) • Double & Half-Angle Formulas: – Section (7.5 / 4e (9.5 / 3e)) Math 120: Pre-Calculus 2! 4 Exam Study Guide – (Time permitting) • Disclaimer: You are responsible for knowing everything that has been covered – – – – In the book On homework In-class hand-outs Instructor lecture • The exam (potentially) covers everything, so be ready! Math 120: Pre-Calculus 2! 5