please help me i dont understand
![please help me i dont understand class=](https://us-static.z-dn.net/files/d61/68367e59ad9751d4447373ad7df75ff5.png)
Answer:
[tex] \cos(71) = \frac{15}{x} [/tex]
[tex]x = \frac{5}{ \cos(71) } [/tex]
[tex]x = 46.07[/tex]
[tex]x = 46.1[/tex]
OPTION B