\fParametric Equation 1 point Eliminate the parameter t from the parametric equation x = 3 sint y = 3 cost 2 2 + y = 9 y = 1 3 O A OB 3x2 + 3y = 1 x2 +y' = 3 O C OD E. None of the above2 points Determine the x - y coordinates of the points where the parametric equation = 3sint y = 3cost Ost= 2x will have a horizontal tangent. x = 0, y = 9 and r = 0, y= -9 r = 0, y = 3 and a = 0, y= -3 OA O B = = 0, y = land = = 0, y=-1 = 0, y = 6 and x = 0, y = -6 O C OD E. None of the above2 points Determine the x - y coordinates of the points where the parametric equation x = 3sint y = 3cost Ots 2x will have a vertical tangent. r = 9, y = 0and x = -9, y = 0 c = 3, y = 0and x = -3, y = 0 O A O B x = 1, y = 0and = = -1, y = 0 x = 6, y = 0and x = -6, y = 0 O c OD O E. None of the above\f2 points Find the tangent line(s) to the parametric curve given by a = t' - 9t' and y = t' at (0, 9). y= + 9 andy = - -2+9 y= = + 9andy = - -x+9 OA OB y = -x +9 y = - +9 O C OD O E. None of the aboveI paint Find the slope of the tangent line to the unit circle m=eeet, y=sint, 0t21r 11' at the point. where t = E w|l O E. None of the above