Java - Math.cos() Examples

package com.logicbig.example.math;

public class CosExample {

    public static void main(String... args) {
        findCosine(180);
        findCosine(90);
        findCosine(60);
        findCosine(30);
        findCosine(0);
    }

    private static void findCosine(double angleInDegree) {
        double angleInRadians = Math.toRadians(angleInDegree);
        double cos = Math.cos(angleInRadians);
        System.out.printf("Cos of angle %s = %1.3f%n", angleInDegree, cos);
    }
} 

package com.logicbig.example.math;

public class CosGraphExample {

    public static void main(String... args) {

        int scale = 10;
        for (double i = 0; i <= Math.PI * 2; i += 0.3) {
            double cos = Math.cos(i);
            int cosValue = (int) Math.round(cos * scale);
            if (cosValue < 0) {
                int spaces = scale - Math.abs(cosValue);
                System.out.print(" ".repeat(spaces) + "+");
                System.out.println(" ".repeat(scale - spaces - 1) + "|");

            } else {
                System.out.print(" ".repeat(scale) + "|");
                System.out.println(" ".repeat(cosValue) + "+");
            }
        }
    }
}