The angle of depression is 2.3 degrees
Explanation:Let the scenario be shown in the diagram below:
Suppose the angle of depression is x degrees, then
[tex]\begin{gathered} \sin x=\frac{3000}{73920} \\ \\ x=\sin ^{-1}(\frac{3000}{73920})_{} \\ \\ =2.3 \end{gathered}[/tex]x is 2