Unit Circle
Use the Slider to investigate the uses of the Unit Circle
1) What do you think dictates where points G,H, and I are on the Coordinate plane?
2) Connecting Point B to the origin and the X-axis are line segments that form a triangle. What is the purpose of the triangle? What is the length of the Hypotenuse of the triangle?
3) Which Point is tracing out the Tangent Curve? Cosine Curve? Sine Curve? Justify your answer and then check your answer by clicking on the boxes for each.