SEN,COS

public static Ejemplo4 {

public static void main (String[]args) {

prt("Cos i : " + Math.cos(i));
prt("Sen i : " + Math.sin(i));
prt("j^i i : " + Math.pow(j,i));
}

static void prt(String s) {
System.out.println(s);
}
}