Here you can find the source of toRadians(double x)
public static double toRadians(double x)
//package com.java2s; /******************************************************************** Copyright (c) 2000-2008 Steven E. Hugg./* w w w . j av a 2s. c om*/ This file is part of FLCore. FLCore is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. FLCore is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with FLCore. If not, see <http://www.gnu.org/licenses/>. *********************************************************************/ public class Main { public static double toRadians(double x) { return x * (Math.PI / 180d); } }