For a certain day, the depth of water h, in metres, at a seaport in British Columbia at time t, h = 2.9cos- (t – 3) + 8 6.3 in hours, is given by the formula ,where 0sts24.

Trigonometry (MindTap Course List)
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ISBN:9781337278461
Author:Ron Larson
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Chapter3: Additional Topics In Trigonometry
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6. For a certain day, the depth of water h, in metres, at a seaport in British Columbia at time t,
h = 2.9 cos " (t – 3) + 8
6.3
, where 0sts 24
in hours, is given by the formula
Determine the period and amplitude of the graph.
a)
b)
Calculate the depth of the water at 9:30 on this particular day.
c)
At what times during the day does the low tide occur?
Transcribed Image Text:6. For a certain day, the depth of water h, in metres, at a seaport in British Columbia at time t, h = 2.9 cos " (t – 3) + 8 6.3 , where 0sts 24 in hours, is given by the formula Determine the period and amplitude of the graph. a) b) Calculate the depth of the water at 9:30 on this particular day. c) At what times during the day does the low tide occur?
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