1. Pre-Cal Chapter 5 Section 7 Ambiguous Case for Law of Sines See a visual explanation of what is happening on page 320 But I wouldn’t recommend trying to remember all those cases! That’s for the birds!

2. Find all solutions for A = 98°, a = 39, b = 22 Find all solutions for A = 72.2°, a = 21, b = 22 Find all solutions for A = 57°, a = 11, b = 19

3. A group of contractors is constructing a 24-foot slide on a playground. The slide inclines 45° from the horizontal. The access ladder measures 18 feet long. At what angle to the horizontal should the contractors build the ladder?