A water wave traveling in a straight line on a lake is described by the equation y(x, 1) = (2.75 cm) cos(0.410 rad/cm x + 6.20

Question

A water wave traveling in a straight line on a lake is described by the equation y(x, 1) = (2.75 cm) cos(0.410 rad/cm x + 6.20 rad/st) where y is the displacement perpendicular to the undisturbed surface of the lake. How much time does it take for one complete wave pattern to go past a fisherman in a boat at anchor? Round your answer to 3 decimal places.

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