LESSON 2 Expansion of sin(x) with a limit(n) C Programming

Expansion of sin(x)  with a limit(n)

#include<stdio.h>

#include<conio.h>

#include<math.h>

int fact(int);

void main()

{

int x,n,k,i;

float s=0;

printf("Enter x and n");

scanf("%d%d",&x,&n);

for(i=0;i<n;i++)

{

k=fact(i*2);

if(i%2==0)

s=s+(float)(pow(x,i*2)/k);

else

s=s-(float)(pow(x,i*2)/k);

}

printf("sum is %f",s);

getch();

}

int fact(int a)

{

int f=1,j;

for(j=1;j<=a;j++)

f=f*j;

return(f);

}

Posted in: C,C Programming