Step 1: Calculate the value of \( \cos(\theta) \)
Given that \( \cos(\theta) = \frac{x}{r} \), where \( x = -2 \) and \( r = \sqrt{53} \), we can substitute the values to find:
\[ \cos(\theta) = \frac{-2}{\sqrt{53}} = -\frac{2}{\sqrt{53}} \]
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