Item Value
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
#include
int main(void)
{
double val = -1.0;
do {
printf(" %f.\n", val, acosh(val));
val += 1;
} while(val<=10.0);
return 0;
}
-1.000000.
0.000000.
1.000000.
2.000000.
3.000000.
4.000000.
5.000000.
6.000000.
7.000000.
8.000000.
9.000000.
10.000000.