Here you can find the source of deg2rad(double deg)
public static double deg2rad(double deg)
//package com.java2s; /*/*from w ww.ja v a 2 s. c o m*/ * GeometryUtilsFX.java Copyright (C) 2019. Daniel H. Huson * * (Some files contain contributions from other authors, who are then mentioned separately.) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { private final static double DEG_TO_RAD_FACTOR = Math.PI / 180.0; public static double deg2rad(double deg) { return DEG_TO_RAD_FACTOR * deg; } }