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* <math>cosh(x) = \frac{e^x + e^{-x}}{2}</math> | * <math>cosh(x) = \frac{e^x + e^{-x}}{2}</math> | ||
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| + | * <math>tan(x) = \frac{sinh(x)}{cosh(x)} = \frac{e^x - e^{-x}}{e^x + e^{-x}}</math> | ||
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| + | * | ||
Revision as of 15:03, 11 October 2008
Just in case you don't have to look them up in your book or whatever. And so I can learn how to use Latex!
- $ sinh(x) = \frac{e^x - e^{-x}}{2} $
- $ cosh(x) = \frac{e^x + e^{-x}}{2} $
- $ tan(x) = \frac{sinh(x)}{cosh(x)} = \frac{e^x - e^{-x}}{e^x + e^{-x}} $
