code: public static <A extends Number & Comparable<?>> NumberExpression<Double> asin(Expression<A> num) {
          return Expressions.numberOperation(Double.class, Ops.MathOps.ASIN, num);
      }
docs: Create a {@code asin(num)} expression
  
  <p>Returns the principal value of the arc sine of num, expressed in radians.</p>
  
  @param num numeric expression
  @return asin(num)