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Unformatted text preview: The Problem Tides go up and down over a 14.4hour period. The average depth of Valencia River is 15.5 ft and ranges from 14 ft to 17 ft, and the variation in the depth can be approximated by a sine curve. Find an equation to (approximately) model the variation V if x is the number of hours after midnight and high tide occurs at 8:00 am. Your equation should be in the form: ( ) sin( ) V x a bx c =...
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 Spring '11
 Smith
 Algebra, Trigonometry

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