Find the missing side of the triangle

[tex]\\ \sf\longmapsto sin\theta=\dfrac{Perpendicular}{Hypotenuse}[/tex]
[tex]\\ \sf\longmapsto sin74=\dfrac{n}{40}[/tex]
[tex]\\ \sf\longmapsto n=40sin74[/tex]
[tex]\\ \sf\longmapsto n=35(0.96)[/tex]
[tex]\\ \sf\longmapsto n=38.4[/tex]