Trigonometry
posted by Tabitha .
A carnival Ferris wheel with a radius of 7 m makes one complete revolution every 16 seconds. The bottom of the wheel is 1.5 m above the ground. The ride starts at the bottom. Find the sinusoidal function that models this Ferris wheel in terms of time (t) in seconds.

Trigonometry 
bobpursley
I would use this function:
h=1.5+ D*sin(wt) where D is the diamter, w = 2PI/period
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