Respuesta :

caferrentino
the answer is 8/17
Cos is the adjacent over the hypotenuse
8 is the adjacent as it is next to the angle and 17 is the hypotenuse
Hrishii

Answer:

[tex] \frac{8}{17}[/tex]

Step-by-step explanation:

[tex] \because \cos (\beta) =\frac{BC}{AB}\\\\

\huge \red {\boxed {\therefore \cos (\beta) =\frac{8}{17}}} [/tex]