IIT JEE , AIEEE Forum - Fun Zone , Games, Puzzles and Quizzes

antonyajay21

#include<iostream.h>
#include<conio.h>
#include<math.h>
void main()
{
int n,x,ans,fact=0,pro;
clrscr();
cout<<"Enter the number till which you want to calculate the cos value";
cin>>n;
cout<<"Enter the value of x";
cin>>x;
for(int j=1;j<=n;j++)
{
   fact=fact*j;
   pro=fact;
}
for(int i=2;i<=n;i+=2)
{
   ans=1-(pow(x,i)/pro);
}
cout<<cos(ans);
getch();
}

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