Content Objective/Learning Target: Students discover the cosine function can be used to measure the distance horizontally from the center of the wheel.
Learning Objective: Students determine values of cosine in a circle.
6.5 Task: Moving Shadows
6.5 Set: Determining Values of Cosine in a Circle
6.5 Ready: Comparing Radius and Arc Length
6.5 Go: Reviewing the Measurements in Special Triangles