import java.io.*;
class Sincostan
{
public static void main(String argv[])
throws IOException
{
double n;
int opc;
BufferedReader leer = new BufferedReader(new InputStreamReader(System.in));
System.out.println("CALCULAR SENO COSENO Y TANGENTE \n");
do
{
System.out.print("INTRODUCIR EL NUMERO: ");
n= Integer.parseInt(leer.readLine());
System.out.println(" M E N U \n" );
System.out.println("1.- SENO" );
System.out.println("2.- COSENO" );
System.out.println("3.- TANGENTE" );
System.out.println("4.- SALIR" );
opc = Integer.parseInt(leer.readLine());
switch(opc)
{
case 1:
System.out.println("El Seno de " + n + " es " + Math.sin(n) );
break;
case 2:
System.out.println("El Coseno de " + n + " es " + Math.cos(n) );
break;
case 3:
System.out.println("La Tangente de " + n + " es " + Math.tan(n) );
break;
}
}while(opc!=4);

}

}