c语言程序设计实验报告

#include<graphics.h> #include<math.h> #include<dos.h> #define pi 3.1415926 #define X(a,b,c) x=a*cos(b*c*pi/180-pi/2)+300; #define Y(a,b,c) y=a*sin(b*c*pi/180-pi/2)+240; #define d(a,b,c) X(a,b,c);Y(a,b,c);line(300,24