Trigonometry: Mixed exercises
Mixed exercises
Uma is sitting in a Ferris wheel. Her height relative to the ground can be modelled by \[h(t)=21-18\cdot \cos \left(4.4\cdot t\right)\]where #h(t)# is her height in metres and #t# is the time in minutes. Find her height at #t=0#.
| Uma's height is: | #\unit{}{m}# |
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