13 Chapter 1, section 1.2. Riccati Equation. subsection 1.2.6-5. Equations containing combinations of trigonometric functions.

  13.1 problem 47
  13.2 problem 48
  13.3 problem 49
  13.4 problem 50
  13.5 problem 51
  13.6 problem 52
  13.7 problem 53
  13.8 problem 54
  13.9 problem 55
  13.10 problem 56
  13.11 problem 57
  13.12 problem 58
  13.13 problem 59