compute the inverse hyberbolic sine
#include <math.h> double asinh( double x );
The asinh() function computes the inverse hyperbolic sine of x.
the inverse hyperbolic sine value
acosh(), atanh(), sinh(), errno, matherr()
#include <stdio.h>
#include <math.h>
void main()
{
printf( "%f\n", asinh( 0.5 ) );
}
produces the output:
0.481212
WATCOM
Math