Related Rates: Rotating Searchlight Problem

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In this video I go over another related rates problem and show how to find the rate at which a searchlight rotates when focused on a man that is walking at a constant rate.

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I don't always shine a searchlight on someone but when I do I make sure to find the rate at which it rotates ;)

mes
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Why not just say that theta = arctan (4t/20), differentiate that, then plug in 3.75s as the time it takes to get to

geoninja
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You way over worked the 3-4-5 triangle so confusing

sthompsonsk