FOR f(x)=2tg(1/x)+1

#include <locale.h>
#include <stdio.h>
#include <math.h>
#include <conio.h>
int main()
{
	float a, b, f, x;
	int m, n,i;
	{
		setlocale(LC_ALL, "RUSSIAN");
		printf("Функция [a,b] \n");
		scanf_s("%f %f", &a, &b);
		printf("Enter step \n");
		scanf_s(" %d", &m);
		x = a;
		n = 1;
		printf("                 Function f(x)=2tg(x/2)+1              \n");
		printf("------------------------------------------------\n");
		printf("|      n     |         x      |        f(x)    |\n");
		for(i=0;i<b;i++)
		{
			f = 2 * tan(x / 2) + 1;
			printf("|   %5d    |      %5.2f     |       %5.2f    |\n", n, x, f);
			x = x + m;
			n = n + 1;
		}
		printf("------------------------------------------------\n");
		printf("\n");
		printf(" \n");
		scanf_s(" ");
	}
}