If $\tan \theta = \frac{3}{4}$, find the value of $\sin \theta + \cos \theta$, assuming $\theta$ is an acute angle.

Options:

• A: $\frac{1}{5}$
• B: $\frac{5}{7}$
• C: $\frac{7}{5}$
• D: $1$

Related Practice Questions:

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