The Solution:
The correct answer is [option 3]
Explanation:
Given the figure:
We are asked to find tan A.
By the trigonometrical ratio:
[tex]\begin{gathered} \tan A=\frac{\text{ opposite}}{\text{ adjacent}}=\frac{US}{UT} \\ \\ \tan A=\frac{US}{UT} \end{gathered}[/tex]
Therefore, the correct answer is [option 3]
