//cos 2/x –2sin 1/x + 1/x
const x0=1; xk=2;
var x,y,h:real;
begin
h:=0.1;
x:=x0;
writeln(' x     y');
while x<=xk+h/10 do
 begin
 y:=cos(2/x)-2*sin(1/x)+1/x;
 writeln(x:3:1,y:7:3);
 x:=x+h;
 end;
end.