1 . (1) Consider the curve given by the parametric equations as = cos (9, y = 2 31nd, 0 S 9 S 7r. (a) Sketch the curve and indicate with an arrow the direction in which the curve is traced as the parameter increases. (1)) Eliminate the parameter to nd a Cartesian equation of the curve. d d2 2 Find g and g for the curve represented by the parametric equations air: date2 33:6, y=te't