Graph r = 6 cos θ by plotting points

Graph r = 4 cos θ by plotting points

Graph r = 2 cos θ by plotting points

  Graph r = - 4 cos θ by plotting points

 Graph r = - 4 sin θ by plotting points

Graph r = 6 sin θ by plotting points

Graph r = - 8 sin θ by plotting points

Graph r = - 8 cos θ by plotting points

Graph r = -18 sin θ by plotting points

Graph r = - 4 sin θ by plotting points