If $\cos A = \frac{5}{13}$ and A is in the first quadrant, find the value of $\tan A$.

Options:

• A: $\frac{12}{13}$
• B: $\frac{5}{12}$
• C: $\frac{12}{5}$
• D: $\frac{13}{5}$

Related Practice Questions:

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