## 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

Advertisements