public class TrigonometricDemo {
    public static void main(String[] args) {
        double degrees = 45.0;
        double radians = Math.toRadians(degrees);
        
        System.out.format("The value of pi is %.4f%n", Math.PI);
        System.out.format("The sine of %.1f degrees is %.4f%n", degrees, 
                                                    Math.sin(radians));
        System.out.format("The cosine of %.1f degrees is %.4f%n", degrees, 
                               Math.cos(radians));
        System.out.format("The tangent of %.1f degrees is %.4f%n", degrees, 
                               Math.tan(radians));
        System.out.format("The arcsine of %.4f is %.4f degrees %n", 
                              Math.sin(radians), 
                              Math.toDegrees(Math.asin(Math.sin(radians))));
        System.out.format("The arccosine of %.4f is %.4f degrees %n", 
                              Math.cos(radians),  
                              Math.toDegrees(Math.acos(Math.cos(radians))));
        System.out.format("The arctangent of %.4f is %.4f degrees %n", 
                              Math.tan(radians), 
                              Math.toDegrees(Math.atan(Math.tan(radians))));
     
    }
}