1. Chapter 4: Lesson 4.8 Applications and Models
#6 Solve the right triangle if B = 54°, c = 15. Right angle at C.
#15 Solve the isosceles triangle with base angles of 45° and a base of 6.
#23 At a point 50 feet from the base of a church, the angles of elevation to the bottom of the steeple and the top of the steeple are 35° and 47°40’ respectively. Find the height of the steeple.

2. Definition of Simple Harmonic Motion

3. #48 Find a model for simple harmonic motion if the amplitude is 3 meters, and the period is 6 seconds. Displacement is 0 at t = 0.
#49 Find a model for simple harmonic motion if the amplitude is 3 meters, and the period is 1.5 seconds. Displacement is 3 at t = 0.
#52 Do buoy problem.