- Jeff Corn
1. Move point C. The x value of point P represents the length of the arc (light blue) and the y value of point P represents 1 divided by the x value of point C. Trace out one complete revolution of this circle. 2. In the input bar, graph sec(x). What do you notice? 3. Where do the "extra" parts of the graph of secant come from ? 4. What in the world is going on and ?