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```Warm up
A 15-foot flagpole stands atop the high school. From a point P in front of
the school, the angle of elevation to the top of the pole is 50º, and the angle of
elevation to the bottom of the pole is 47º. To the nearest foot, how high is the
building? Draw a diagram of the problem.
Let h = the height of the building
Let d = the distance from P to the building.
Chapter 4
Understanding Trigonometric
Functions
- Secant, Cosecant, and
Cotangent Functions and
Solving Word Problems
functions by using worksheet 11E
Secant, Cosecant, and Cotangent
Functions
Example
Suppose that you are sitting in a Ferris Wheel that has 24 spokes from
which the seats hang. At its lowest position on the Ferris wheel the seat is 4 feet
off the ground. How high is the seat off the ground as you travel around the wheel
if the radius is 17 feet?
More Example 
Solve the right triangle for x and y.
Express angle measures in degrees to the nearest hundredth
Exit directions 
Do: By yourself complete the Worksheet 11E.
Put: In box No. 3
Finish By: 10.40
When done do: Find other proofs of the Pythagorean
Theorem.
```
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