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GBK Precalculus Jordan Johnson. Today’s agenda. Greetings Review / Submit HW from Section 5-2: Problems 19-27 odd, 29, 30, 33 Bonus : 28, 31, 32. Composite Argument Formula work Complete & Review Lesson: Other Composite Argument Forms Note: Quiz Monday. Clean-up.

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Presentation Transcript
today s agenda
Today’s agenda
  • Greetings
  • Review / Submit HW from Section 5-2:
      • Problems 19-27 odd, 29, 30, 33
      • Bonus: 28, 31, 32.
  • Composite Argument Formula work
    • Complete & Review
  • Lesson: Other Composite Argument Forms
  • Note: Quiz Monday.
  • Clean-up
deriving the composite argument formula
Deriving theComposite Argument Formula
  • Finish the composite argument formula work.
clean up reminders
Clean-up / Reminders
  • Pick up all trash / items.
  • Push in chairs (at front and side tables).
  • See you tomorrow!
even odd functions revisited
Even/odd functions, revisited
  • In other words:
    • cosine must be even
    • sine must be odd
  • Recall the definitions:
    • An even function f(x) obeys f(-x) = f(x).
    • An odd function f(x) obeys f(-x) = -f(x).
    • If (u, v) is the end of an arc of length x in standard position on the unit circle, then:
      • cos x = u
      • sin x = v
  • Demo in GeoGebra.
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