acosh : acosh « math.h « C Tutorial






ItemValue
Header filemath.h
Declarationfloat acoshf(float arg);
double acosh(double arg);
long double acoshl(long double arg);
Returnreturns the arc hyperbolic cosine of arg.
ParameterThe argument must be zero or greater; otherwise a domain error will occur.


#include <math.h>
  #include <stdio.h>

  int main(void)
  {
    double val = -1.0;

    do {
      printf(" %f.\n", val, acosh(val));
      val += 1;
    } while(val<=10.0);

    return 0;
  }
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19.3.acosh
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