3. a) Give a counter-clockwise parametrization of the circle with Cartesian equation (a: 1)2 + (y +1)2 : 4. (1 point) b) Give a parametrization of the line segment in space from the point (1,3,2) to the point (2,1,3). (1 point) 4. a) Convert from Cylindrical coordinates to rectangular (cartesian) coordinates the point (2,; 8). Show your work. (1 point) b) Convert from Spherical coordinates to rectangular (cartesian) coordinates the point 5 (6, g, g). Show your work (2 points)