Question: Trying to plot two different functions

The first function I am trying to plot with maple is r(t)=3cos(2t)i-2sin(2t)j, and the second is r(t)=(t)^(1/2)i+(t^2-2t)j. If anyone can help me with the command lines that I must type to properly plot these function in maple I would be very grateful. :)
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