Program pr1;
Uses Crt;
Var
y,x,a,b,h:real;
begin
ClrScr;
write('a=');
readln(a);
write('b=');
readln(b);
write('h=');
readln(h);
x:=a;
writeln('| x | y |');
writeln('-------------------------------------');
repeat
if (sin(x)/cos(x)=0) or (x<0) then <br>writeln ('| ',x:2,' | значение не существует |')
else
begin
y:=ln(x)/(sin(x)/cos(x));
writeln ('| ',x:4,' | ',y:6:2,' |');
end;
x:=x+h;
Until x>b;
writeln('-------------------------------------');
readln;
end.