program Task_Solution;
uses Math;
 
const a = 2.5; eps = 0.001;
 
var Tn, Tk, t, h, xi, zi, yi: real;
    N, i: integer;
 
procedure CalcZ(t_val: real; var z_res: real);
begin
  if abs(t_val - 0.5) > 1 then z_res := t_val * ln(abs(t_val - 2))
  else z_res := t_val * exp(sin(t_val));
end;
 
function CalcY(x, z: real): real;
begin
  if (abs(z - a) < 1) and (x > 2) then
    CalcY := x - a * tan(x) - z + tan(sin(x - z)) / (3 * cos(a * x - z))
  else if (abs(z - a) > 5) and (x < 2) then
    CalcY := tan(x) - z + ln(abs(sin(x - z)))
  else
    CalcY := cos(a * x - z) + power(abs(x), a);
end;
 
begin
  write('Tn, Tk, N: '); readln(Tn, Tk, N);
  h := (Tk - Tn) / N; t := Tn;
  writeln('   t   |    zi    |    xi    |    yi    ');
  for i := 0 to N do begin
    CalcZ(t, zi);
    xi := power(abs(cos(zi - a)), a);
    yi := CalcY(xi, zi);
    writeln(t:6:2, '|', zi:8:3, '|', xi:8:3, '|', yi:8:3);
    t := t + h;
  end;
end.

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