16 Chapter 1, section 1.2. Riccati Equation. subsection 1.2.7-3. Equations containing arctangent.

  16.1 problem 19
  16.2 problem 20
  16.3 problem 21
  16.4 problem 22
  16.5 problem 23
  16.6 problem 24
  16.7 problem 25
  16.8 problem 26
  16.9 problem 27