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This Applet Shows the Relationship Between the Unit Circle, the Sine graph, the Cosine graph, and the Tangent graph.
Directions: 1. Click the Animate Button or move point B around the Unit Circle. 2. Watch the coordinates of Point B, C, D, and F. What do you notice about the points are the same? 3. Check the check box, “Show Trace”. What graphs do the traces look like they're making? 4. Click the Animate button again to stop the trace. 5. Check the check boxes f(x), g(x), and h(x). What do you notice about the the graphs of f(x), g(x), and h(x) compared with the traces?