Hyperbolic Sine and Cosine

Adjust the sliders for a and c to move a point along the curve. Note the corresponding points on the dotted lines and the sums of their y-coordinates. What are the equations for the dotted blue curves for each graph? To change the viewing window, hold the shift button and left-click to drag the graph or use the scroll wheel to zoom in/out. You can also adjust the axes by holding the shift button and left-click on the axis you want to change.