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For the hyperbolic functions:
A guy callled Patrik Lundin actually wrote it.
Nice job on the Graph Maker applet! I was examining the hyperbolic functions.
You can try using this Graph Maker.
As Ricky said it's always fun to just experiment with these things and see what comes up. Generally you will notice a reoccuring pattern in behaviours.
Do you have a graphing calculator? If not, you can do all these by hand by just plugging in points.
back with more questions 