program real (output);

const pi = 3.14159265;

var i : integer;
    angle : real;

begin
  for i := 0 to 100 do
  begin
    angle := (75.0+i/5.0)*pi/180.0;
    writeln ('cos (',75.0+i/5.0:8:4,') = ', cos (angle))
  end
end.