AIR MATH

Math Question

9. Given \( \triangle A B C \), which of the following ratios is equivalent to \( \cos B \) ?
A. \( \frac{5}{13} \)
C. \( \frac{12}{13} \)
B. \( \frac{13}{5} \)
D. \( \frac{13}{12} \)

Solution

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