Exercise 2.  Sketch the following curves.  

2 (c).  ,  for  .  

Solution 2 (c).

See text and/or instructor's solution manual.

                    The curve  ,  for  .

                    The curve  ,  for  ,  is part of the ellipse  .

This solution is complements of the authors.

(c) 2008 John H. Mathews, Russell W. Howell