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6. On a certain day, the depth of water off a pier at high tide was 6 m. After 6 h, the depth of water was 3 m. Assume a 12 h cycle. Determine a sine or a cosine equation for the depth of water, with respect to time, t hours, since high tide. 7. Determine an equation that models the graph of the following sinusoidal function. AAA -120 -60 60 120 60 40 300 E0

6. On a certain day, the depth of water off a pier at high tide was 6 m. After 6 h, the depth of water was 3 m. Assume a 12 h cycle. Determine a sine or a cosine equation for the depth of water, with respect to time, t hours, since high tide. 7. Determine an equation that models the graph of the following sinusoidal function. AAA -120 -60 60 120 60 40 300 E0

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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6. On a certain day, the depth of water off a pier at high tide was 6 m. After 6 h, the depth of water was 3 m. Assume a 12 h cycle. Determine a sine or a cosine equation for the depth of water, with respect to time, t hours, since high tide. 7. Determine an equation that models the graph of the following sinusoidal function. -120 -60 O 120 80 40 300 60
Transcribed Image Text:6. On a certain day, the depth of water off a pier at high tide was 6 m. After 6 h, the depth of water was 3 m. Assume a 12 h cycle. Determine a sine or a cosine equation for the depth of water, with respect to time, t hours, since high tide. 7. Determine an equation that models the graph of the following sinusoidal function. -120 -60 O 120 80 40 300 60
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