Answer:
59
Step-by-step explanation:
[tex] \sqrt{ {6}^{2} + {5}^{2} } = \sqrt{36 + 25} = \sqrt{61} [/tex]
[tex] \cos(p) = \frac{4}{ \sqrt{61} } [/tex]
[tex]p = {cos}^{ - 1} \frac{4}{ \sqrt{61} } = 59[/tex]
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