#include<stdio.h>
#include<conio.h>
#include<iostream.h>
#include<math.h>
void main()
{
float v,inverse;
clrscr();
cout<<"Enter any value = ";
cin>>v;
inverse=atan(1.0/v)*180/M_PI;
cout<<"\nCot Inverse("<<v<<") = "<<inverse;
getch();
}
////////////////////////////////////////////
Copy & paste this code in your TC & run, then you will get output.......
If you have any problem please comment below.........