Question
(11 marks) A horse on a merry-go-round moves in such a way that its height (in metres) \text { above the floor is } h(t)=0.7 \sin ((t-1.5) \pi / 3)+1.5 \text { where } t \geq 0 \text { is time in seconds. } (a) Using the formula for h(t), find its period. Sketch the graph of h(t) for 0 <t 12. (b) Find the time at whic
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