The given text appears to be nonsensical and requires a complete rewrite to make sense. Here is a revised version with meaningful content:

```latex
\begin{tabular}{|c|c|c|c|c|}
\hline
Function & Symbol & Example 1 & Example 2 & Description \\
\hline
Sine & [tex]$\sin$[/tex] & [tex]$\sin(\theta)$[/tex] & [tex]$\sin(30^\circ)$[/tex] & Trigonometric function representing the ratio of the length of the opposite side to the hypotenuse in a right-angled triangle. \\
\hline
Cosine & [tex]$\cos$[/tex] & [tex]$\cos(\theta)$[/tex] & [tex]$\cos(60^\circ)$[/tex] & Trigonometric function representing the ratio of the length of the adjacent side to the hypotenuse in a right-angled triangle. \\
\hline
Tangent & [tex]$\tan$[/tex] & [tex]$\tan(\theta)$[/tex] & [tex]$\tan(45^\circ)$[/tex] & Trigonometric function representing the ratio of the sine to the cosine of an angle. \\
\hline
\end{tabular}
```

This table provides clear and coherent information about trigonometric functions, including their symbols, examples, and descriptions.



Answer :

Certainly, let’s tackle the problem step by step to reach the final solution.

### Step-by-Step Solution:

1. Determine Initial Information:
- We start with an initial number of computers.
- The initial number of computers is 9.

2. Determine the Rate of Addition:
- A certain number of computers are added each day.
- The rate at which computers are added is 5 computers per day.

3. Determine the Total Time Period:
- We are looking at the period from Monday to Thursday, which consists of 4 days.

4. Calculate the Total Number of Computers Added:
- We need to multiply the number of days by the number of computers added per day.
- Total computers added = 5 computers/day * 4 days = 20 computers.

5. Calculate the Final Total Number of Computers:
- To find the final total number of computers, we add the number of computers added over the 4 days to the initial number of computers.
- Total number of computers = initial computers + computers added
- Total number of computers = 9 + 20 = 29

### Final Results:
- Total number of computers added over 4 days: 20 computers
- Final total number of computers: 29 computers

Thus, we have derived that the number of computers added over the 4 days is 20, and the final total number of computers after those 4 days is 29.