Unit Circle
Instructions
- The videos below explain the concepts in this section.
- When you are done, you can use the graph to pick another section or use the buttons to go to the next section.
Learning Objectives
- Define the unit circle in the Cartesian plane
- Labeling the special angles on the unit circle in degrees and radians
- Defining properties of quadrantal angles on the unit circle
- Applying special right triangle relationships to find coordinates on the unit circle at special angles
- Labeling the coordinates of special angles on the unit circle
- Recognizing the patterns between reference angles and coordinates in each quadrant of the unit circle