Sketch a graph of the following curves
(a) x(t)=(cos(2t),-3sin(2t))^(T)
(b) x(t)=3t(2,1)^(T)
(c) x(t)=e^(-3t)(2,1)^(T)
(d) x(t)=(1,1)^(T)+e^(3t)(2,1)^(T)
18. Sketch a graph of the following curves
(a) x(t)=(cos(2t),-3sin(2t))1 (b) x(t)=3t(2,1)T (c) x(t)=e-3t(2,1)T (d) x(t)=(1,1)T+e3t(2,1)