Solution: The maximum value of $ \sin $ is 1, so the maximum depth occurs when $ \sin\left(\frac{\pi t}{12}\right) = 1 $. Substituting, $ d_{\text{max}} = 10 + 4(1) = 14 $. \boxed{14}

Sat, 02 May 2026 22:07:13 +0000

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