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Elementary Functions > Cosh[z] > Introduction to the hyperbolic functions


The six well‐known hyperbolic functions are the hyperbolic sine , hyperbolic cosine , hyperbolic tangent , hyperbolic cotangent , hyperbolic cosecant , and hyperbolic secant . They are among the most used elementary functions. The hyperbolic functions share many common properties and they have many properties and formulas that are similar to those of the trigonometric functions.