sec 41C applications of sohcahtoa.notebook
September 03, 2014
Example 1:
A ladder 16 feet long leans against the side of a house. Find the height h from the top of the ladder to the ground if the angle of elevation of the ladder is 74o.
Example 2:
From the time a small airplane is 100 feet high and 1600 ground feet from its landing runway, the plane descends in a straight line to the runway. Determine the plane's angle of decent.
100 ft.
1600 ft.
sec 41C applications of sohcahtoa.notebook
Example 3:
From a point 65 feet in front of a church, the angles of elevation to the base of the steeple and the top of the steeple are 35o and 43o respectively.
Find the height of the steeple.
Example 4: The Leaning Tower of Pisa in Italy is about 55.9 meters tall and is leaning so it is only about 55 meters above the ground. At what angle is the tower leaning?
September 03, 2014
sec 41C applications of sohcahtoa.notebook
September 03, 2014
Example 5:
At the top of The Millennium Force coaster at Cedar Point you are 310 feet above the ground. As you crest the top, you begin the ride with an 80 degree drop. Approximately, how many ground feet apart are the top and bottom of the first hill?
Homework:
Read section 4­1
Do pgs. 227­229, #'s 27, 28, 40, 41, 44, 45, 56 & 71