Here you can find the source of degrees2Radians(double degrees)
protected static double degrees2Radians(double degrees)
//package com.java2s; /* Copyright (c) 2015 Magnet Systems, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License.//from www. ja v a 2s . com */ public class Main { private static final double PI = 3.14159; protected static double degrees2Radians(double degrees) { return (degrees * PI / 180.0d); } }