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

55.16.1 problem 19
55.16.2 problem 20
55.16.3 problem 21
55.16.4 problem 22
55.16.5 problem 23
55.16.6 problem 25
55.16.7 problem 26