// Instructions:
// Write code for implementing factorial below.

public class SinTaylor {

    public static void main (String[] argv)
    {
	for (int k=1; k<=13; k+=2) {
	    double alpha = 1.0 / factorial (k);
	    System.out.println ("alpha (without the sign): " + alpha);
	}
    }

    static double factorial (int k)
    {
	// INSERT YOUR CODE HERE:

    }

}