Uses
crt;
Var
i: integer;
x, st, sum: real;
begin
ClrScr;
write('X: ');
readln(x);
st := 1;
for i := 1 to 3 do
begin
st := st * sin(x);
sum := sum + st;
end;
write('Sum:=', sum);
readkey
end.
Uses
crt;
Var
i: integer;
x, st, sum: real;
begin
ClrScr;
write('X: ');
readln(x);
st := 1;
for i := 1 to 3 do
begin
st := st * sin(x);
sum := sum + st;
end;
write('Sum:=', sum);
readkey
end.