2.15 Chapter 1, section 1.2. Riccati Equation. subsection 1.2.7-2. Equations containing arccosine.

2.15.1 Problem 10
2.15.2 Problem 11
2.15.3 Problem 12
2.15.4 Problem 13
2.15.5 Problem 14
2.15.6 Problem 15
2.15.7 Problem 16
2.15.8 Problem 17