Class Agenda #36

Opener: Complete Figure 1

  • How does this diagram evolve your definition of radians?

Work Time: Unit Right Triangles

  • What does this handout mean by “Unit Right Triangle”?
  • What’s happening here?
  • What happens if we think about the Pythagorean Theorem in terms of this triangles?

Figure 2: What if we plot these triangles?

  • We are handing out special graph paper (What’s so special about it?)
  • Draw each of your triangles onto the graph paper so that the vertex of the given angle is placed at the origin.
  • How should we label our axes?

Problem Set #12 – due Monday 5/20/13


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