pjuftkb6f/d.java at be34020285ccf3eaa79aee0bba528159d7e30f93 - pjuftkb6f - 头歌-开源项目托管

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 public class sanjiaohanshu {
 		public static void intox(double x,int n) {
 			//x表示度数
 			double pi=Math.PI;
 			double a=x*(pi/180);
 			switch(n){
 			case 1:
 				System.out.println(Math.sin(a));break；//sinx
 			case 2:
 				System.out.println(Math.cos(a));break；//cosx
 			case 3:
 				System.out.println(Math.tan(a));break；//tanx
 			}
 }
 }