#define _CRT_SECURE_NO_WARNINGS

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <math.h>

#define N 5
#define PI 3.14159265

void main()
{
    int i, j;
    double M[N][2], x, y;
    FILE *fp;

    //definindo a primeira coluna da matriz
    srand(time(NULL));
    for (i = 0; i < N; i++)
    {
        M[i][0] = rand() % RAND_MAX;
    }
    //obtendo segunda coluna da matriz
    for (i = 0; i < N; i++)
    {
        x = M[i][0];
        y = sin((PI * x) / (PI / 180));
        M[i][1] = y / (PI * x);
    }
    //printando matriz
    for (i = 0; i < N; i++)
    {
        printf("%f  |%f  \n", M[i][0], M[i][1]);
    }

    //criando arquivo
    fp = fopen("ra14194054.dat", "w");
    for (i = 0; i<N; i++)
    {
        for (j = 0; j < 3; j++)
        {
            fprintf(fp, "%f ", M[j][i]);
            fprintf(fp, "\n");
        }
    }
    fclose(fp);


    system("pause");
}