Chapter 1 – Unit Circle and Definitions

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Topic 1.4

The Unit Circle – Part II

The *Unit Circle – Part II* finishes the work begun in the *Unit Circle – Part I* by discussing the 30° – 60° – 90° triangle and the 45° – 45° – 90° triangle. It includes both degree and radian measure. By the end of this lesson, students should be able to find sine and cosine values for 16 angles between 0° and 360°.

Slideshow: Full – 4 per page – 9 per page