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PreCalculus Honors

PreCalculus Honors. Tuesday, March 10 th , 2009. Do Now. What are the Periods of all 6 Trig Functions?. Homework Review.

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PreCalculus Honors

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  1. PreCalculus Honors Tuesday, March 10th, 2009

  2. Do Now • What are the Periods of all 6 Trig Functions?

  3. Homework Review • Suppose you wanted to hit a target 1000 feet away. At 500 feet away is a tower that is 90 feet tall. What initial speed and angle of inclination would you need to use to have a chance at hitting the target, while also missing the tower?

  4. Homework Review • Range = 1000 feet • Height = 500 feet • g = 32.2 ft/sec/sec

  5. Homework Review • Did anyone get an answer? How did you do it?

  6. Homework Review • My solution…

  7. Identities

  8. What Is This?

  9. The Pythagorean Theorem On The Unit Circle

  10. The Pythagorean Theorem On The Unit Circle

  11. The Pythagorean Theorem On The Unit Circle

  12. The Pythagorean Theorem On The Unit Circle

  13. The Pythagorean Theorem On The Unit Circle http://www.humboldt.edu/~dlj1/PreCalculus/Images/UnitCircle.html

  14. Identities

  15. Using Identities: Practice Problem

  16. Homework Review From Monday’s Problem Set • Let’s go back and look at one final problem from the homework that was due on Monday. • Problem 111…Calculating the time of a trip.

  17. Homework Due Tomorrow • Where did the above formula for the jogging problem come from? • Well, I want you to figure it out! • For tomorrow: derive the formula that is used in the “Calculating the time of a trip” problem.

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