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# tabulation function and output output in the table

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Make a program for calculating a function using a cycle operator with a precondition. The variable x changes in step H at a given interval [a, b].

Help Find an error

``````# include & lt; cmath & gt;
#Include & lt; iostream & gt;
Using Namespace STD;
INT MAIN () {
Double z, x, xn, xk, h;
CIN & GT; & GT; xn & gt; & gt; xk & gt; & gt; h;
While (x & lt; = xk)
if (xn & lt; = x & lt; 0) {
z = cos (x) * sin (x) / 2;
}
if (0 & lt; = x & lt; = 2 * xk / 3) {
z = Pow (sin (x + 1), 2);
}
if (2 * xk / 3 & lt; x & lt; = xk) {
z = Pow (COS (X - 1), 2);
PrintF ("% 6.2F5S% 9.3F", X, Z);
}
x = x + h;
Return 0;
}
``````

Errors:

1. The initial value of the variable `x `not specified
2. `While `cycle contains only one function calculation. The remaining two and an increase in `X `occurs behind the cycle.

Here is a corrected option

``````# include & lt; cmath & gt;
#Include & lt; stdio.h & gt;
#Include & lt; iostream & gt;
Using Namespace STD;
INT MAIN () {
Double z, x, xn, xk, h;
CIN & GT; & GT; xn & gt; & gt; xk & gt; & gt; h;
x = xn;
While (x & lt; = xk) {
IF (X & LT; 0)
z = cos (x) * sin (x) / 2;
ELSE IF (X & LT; = 2 * XK / 3)
z = Pow (sin (x + 1), 2);
ELSE.
z = Pow (COS (X - 1), 2);
PrintF ("% 6.2F% 9.3F \ n", x, z);
x + = H;
}
Return 0;
}
``````

As I understand it, there will be another 33 copies of the same question …
Okay, they came. Beauty in the output Mouse yourself …

``````const doubles pi = 3.1415926;
const Double H = PI / 6.0;
Int Main (Int Argc, Const Char * Argv [])
{
for (double x = -pi; x & lt; pi + h / 2; x + = h)
{
Double z = (x & lt; 0.0)? COS (X) * SIN (X) /2.0:
(X & LT; = 2 * PI / 3)? SIN (X + 1) * SIN (X + 1):
cos (x-1) * cos (x-1);
COUT & LT; & LT; "X =" & lt; & lt; x & lt; & lt; "z =" & lt; & lt; z & lt; & lt; Endl;
}
}
``````

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