C program to find sine value

C program to find sine value 

 #include <stdio.h>

#include <math.h>

main()

{

//sinx=x1/1!-x3/3!+x5/5!-x7/7!...

int accuracy,count=0,k=1;

float x,temp,sine=0;

printf("Enter value x(in degrees) to find sin x value\n");

scanf("%f",&x);

temp=x;

//Degrees to Radians

x=(float)x*(3.14159/180);

printf("Enter value to get more accurate\n 3 for least and more for more accuracy\n");

scanf("%d",&accuracy);

do

{

 if(count%2==0)

 {

  sine=(float)sine+(pow(x,k)/factorial(k));

 }

 if(count%2==1)

 {

  sine=(float)sine-(pow(x,k)/factorial(k));

 }

 count++;

 k=k+2;

}while(count&lt;=accuracy);

printf("Sine(%f)=%f calcualted mathematically\n",temp,sine);

printf("Sine(%f)=%f calculated using library function\n",temp,sin(x));

}

int factorial(int val)

{

 int factorial=1,i;

 for(i=1;i&lt;=val;i++)

 {

     factorial=factorial*i;

 }

 return(factorial);

}