Trigonometric function plots

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English: Trigonometric functions are special basic functions of an angle.
Deutsch: Trigonometrische Funktionen sind bestimmte Grundfunktionen von Winkeln.

Trigonometric functions[edit]



Inverse trigonometric functions[edit]

Hyperbolic functions[edit]

Hyperbolic functions can be defined by exponential functions:

cosh(x) is the average of ex and e-x

sinh(x) is the average of ex and -e-x

Inverse hyperbolic functions[edit]