1. Math 120: Pre-calculus 2 Instructor: Mike Panitz (mpanitz@cascadia.ctc.edu)

2. Math 120: Pre-Calculus 2!2 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)

3. Math 120: Pre-Calculus 2!3 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

4. Math 120: Pre-Calculus 2!4 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))

5. Math 120: Pre-Calculus 2!5 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!