The ezplot command will also handle parametric equations. Try ezplot ('cos(t)', 'sin(t)' , [0,2*pi]) to get a feel for how the command works. In Exercise, use the ezplot command to plot the parametric equations over the indicated time interval.
x = et (cos(4t) − sin(4t)), y(t) = 2et sin(4t), [0, 8π]
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