5. As a Ferris wheel turns, the distance a rider is above the ground varies sinusoidally with time. A person gets onto the Ferris Wheel at its lowest point. The highest point on the wheel is 43 feet above the ground. The wheel makes a full circle every 8 seconds and has a diameter of 40 feet. a) Write an equation to model this data. b) Determine at what time(s) the person is 12 feet above the ground in the first cycle. Round your answer to one decimal place. ←

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