Returns the arc sine of its argument.

    Format

      #include  <math.h>

      double asin  (double x);

      float asinf  (float x); (Integrity servers, Alpha)

      long double asinl  (long double x); (Integrity servers, Alpha)

      double asind  (double x); (Integrity servers, Alpha)

      float asindf  (float x); (Integrity servers, Alpha)

      long double asindl  (long double x);

                          (Integrity servers, Alpha)