# Answer to Question #17137 in Trigonometry for christi becker

Question #17137

Given y=Acos(Bx+C) + D. Throughout the day the depth of water at the end of a pier varies with the tides. High tide occurs at 4 am with a depth of 6 meters. Low tide occurs at 10 am with a depth of 2 meters. Model the problem by using the given trigonometric equation to show the depth of the water t hours after midnight showing all your work.

Solve the problem by finding the depth of the water at noon, explaining, the reasoning.

Solve the problem by finding the depth of the water at noon, explaining, the reasoning.

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