public class TrigonometryExample { public static void main(String[] args) { double angle = 45; // زاویه در درجه double radians = Math.toRadians(angle); System.out.println("Sine: " + Math.sin(radians)); System.out.println("Cosine: " + Math.cos(radians)); System.out.println("Tangent: " + Math.tan(radians)); } }