Generating the chord function
Rotate point P around the circle.
What is the relationship between the angle and the green segment along the x-axis?
Click the box labeled "Show chord".
What is the relationship between the blue segments?
If you could trace point E, what would the graph look like? If it is periodic, what is the amplitude and period?
Click the box labeled "Show graph".
Can you find an equation for this graph?
What would transformations of this graph look like?