Math 120:
Pre-calculus 2
Instructor: Mike Panitz
(mpanitz@cascadia.ctc.edu)
Today
• Hand in, go over homework
• Angles & Their Measure
– Chapter 6.1 (4e)
| Chapter 8.1 (3e)
• Right Triangle Trig.
– Chapter 6.2 (4e)
| Chapter 8.2 (3e)
Math 120: Pre-Calculus 2!
2
Next Lecture
• Trig. Value Computation
– Chapter 6.3 (4e)
| Chapter 8.3 (3e)
• Reference Angles
– Chapter 6.4 (4e)
| Chapter 8.4 (3e)
Math 120: Pre-Calculus 2!
3
Lectures and Homework Page
• DRAFT format
– Anything that’s highlighted
in yellow is still a draft.
– It might be incomplete, or
change, before the start of
class.
Math 120: Pre-Calculus 2!
4
Lectures and Homework Page
• Does anyone have the 3rd edition of the
textbook?
– (Show of hands)
– (If you don’t want to raise your hand, talk to me
(or email me) later)
– If not, I’ll spend the time & energy I would have
spent on the 3e HW problems on something else,
instead.
Math 120: Pre-Calculus 2!
5
Calculators
• If you do buy a TI-83, 84, 86, 89, etc
– Please donate your proof-of-purchase to the school
• If you have a different, graphing, calc. (HP, etc)
– I’ll try to help you with it, but your mileage may vary
– Bringing the calculator’s manual to class will help
• BRING YOUR CACLUATOR NEXT CLASS!
– If it’s not a TI-83, bring the manual, too
Math 120: Pre-Calculus 2!
6
Office Hours
• Changed: they’re now
noon till 3pm, still on Wednesdays
Math 120: Pre-Calculus 2!
7