2. Find a parametrization of the curve formed by the intersection of the surfaces y? - 2 = x - 2 and y?+ z2 =9 with z 2 0 in two different ways. (In both cases, specify the domain - the allowable values of t.) (a) By using cost and sint for two of the three variables (you figure out which two). (b) Solving for z in terms of y, and then substituting that into the first equation