Here you can find the source of toRadian(double ddd_dddd)
public static double toRadian(double ddd_dddd)
//package com.java2s; //License from project: Open Source License public class Main { public static double toRadian(double ddd_dddd) { return ddd_dddd * Math.PI / 180.0; }//from ww w . j a v a 2 s .c o m }