12/09/19 05:30:03.28
import java.lang.Math;
public class Sin30 {
static final double M = 10000000000000000.;
public static void main(String[] args) {
double degrees = 30;
double d = degrees*Math.PI/180;
double e = Math.sin(d);
double f, g;
f = M*e;
g = Math.floor( f + 0.5 );
e = g/M;
System.out.println(e);
}
}
/*
D:\work>javac Sin30.java
D:\work>java Sin30
0.5
*/