package javaapplication1;
public class JavaApplication1 {
public static void main(String[] args) {
System.out.println("Math.cos(-1) = " + Math.cos(-1));
System.out.println("Math.cos(1) = " + Math.cos(1));
System.out.println("Math.cos(0) = " + Math.cos(0));
System.out.println("Math.cos(-0) = " + Math.cos(-0));
System.out.println("Math.cos(0.9) = " + Math.cos(0.9));
System.out.println("Math.cos(Math.PI) = " + Math.cos(Math.PI));
System.out.println("Math.cos(Math.PI * 2) = " + Math.cos(Math.PI * 2));
System.out.println("Math.cos(Math.PI / 2) = " + Math.cos(Math.PI / 2));
System.out.println("Math.cos(Math.PI / 3) = " + Math.cos(Math.PI / 3));
System.out.println("Math.cos(45) = " + Math.cos(45));
}
}
/*
run:
Math.cos(-1) = 0.5403023058681398
Math.cos(1) = 0.5403023058681398
Math.cos(0) = 1.0
Math.cos(-0) = 1.0
Math.cos(0.9) = 0.6216099682706644
Math.cos(Math.PI) = -1.0
Math.cos(Math.PI * 2) = 1.0
Math.cos(Math.PI / 2) = 6.123233995736766E-17
Math.cos(Math.PI / 3) = 0.5000000000000001
Math.cos(45) = 0.5253219888177297
*/
