#include <cmath>

double tanh (double x) 

Liefert den Tangens hyberbolicus von x.

Rückgabewert: sinh(x)/cosh(x).

cosh(), sinh(), tan().

tanh.cpp

#include <cmath>
#include <iostream>
 
int main()
{
  std::cout << "tanh(1) = " << std::tanh(1) << '\n';
}