Respuesta :

[tex]\cos(\theta) = \dfrac{\text{adj}}{\text{hyp}}[/tex]

[tex]\cos(y) = \dfrac{8}{13} [/tex]

[tex]y = \cos^{-1} \bigg( \dfrac{8}{13} \bigg)[/tex]

[tex]y = 52 \textdegree[/tex]
hello cindychen1
how is your day going 
so I suck at math 
but a put this in a calculator and a came out.....
drum roll plz.
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Y=52 degrees 
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hope this helps u 
have a fanatsic day 
if a was worng plz let me know
-toby out!