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C Program for finding COS THETA Value
#define ACC 0.0001
#define PI 3.14
void main()
{
int x,i;
float x1,x2,cosz=0,term;
clrscr();
printf("Enter the X value:");
scanf("%d",&x);
x1=(x*PI)/180;
// printf("%f",cos(x1));
x2=x1*x1;
term=1;
cosz=term;
for(i=2;fabs(term)>ACC;i=i+2)
{
term = (x2*(-term))/(i*(i-1));
cosz = cosz+term;
}
printf("\nNew Value%f",cosz);
getch();
}
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