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====== Trigonometry ======

===== Prompt =====

** "Write down something you know about trig." **

===== Context =====

//Estimated Time: 5--10 minutes, including wrap-up//

This [[strategy:smallwhiteboard:|SWBQ]] is a good way to provide a brief
review of the geometry of (ordinary) trig.

===== Wrap Up =====

  * Ask several students to present/defend their responses.
  * Emphasize that angles measure (rescaled) arclength.
  * Emphasize that trig functions are coordinates on the (unit) circle.


{{rftrig.ppt|Powerpoint slide}}
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{{rftrig.pdf|PDF slide}}

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