绘制正余弦曲线

#include "stdafx.h"
#include "iostream.h"
#include <math.h>
#include <conio.h>
#include <stdlib.h>
//writeby:lhsbqb
//http://www.pythonschool.com

int main(int argc, char* argv[])
{
    double y;
    int x, m;
    //设置控制台窗口大小为120列(需要引入<stdlib.h>)
    system("mode 120"); 
    //画正弦图X轴上部
    for(y=1;y>=0;y-=0.1)
    {
        m = asin(y)*10;
        for(x=1;x<=m;x++)
            printf(" ");
        printf("*");

        for(;x<=32-m;x++)
            printf(" ");
        printf("*");

        for(;x<=66+m;x++)
            printf(" ");
        printf("*");

        for(;x<=66+32-m;x++)
            printf(" ");
        printf("*");
        printf("\n");

    }
    printf("*********************\
******************************\
************************************\
***************\n");
    //画正弦图x轴下部
    for(y=0;y<=1;y+=0.1)
    {
        m = asin(y)*10;
        for(x=1;x<=34+m;x++)
            printf(" ");
        printf("*");

        for(;x<=34+32-m;x++)
            printf(" ");
        printf("*");
        printf("\n");
    }

    //画余弦图
    for(y=1;y>=-1;y-=0.1)
    {
        m = acos(y)*10;
        for(x=1;x<=m;x++)
            printf(" ");
        printf("*");
        for(;x<64-m;x++)
            printf(" ");
        printf("*");
        printf("\n");
    }

    printf("\n");
    return 0;
}