Eric Diehl
Applications of trigonometry
1. In Figure 1 below, the segment is an altitude of triangle. In the activities for Appendix A,
you discovered an expression for using the cosine of one of the angles of and the length
of one of its sides. Give this
Eric Diehl
Descartes GEOMETRY
You will find an (freely available) English translation of Descartes GEOMETRY at the following
web page:
http:/archive.org/stream/geometryofrene00desc#page/n7/mode/2up.
The French text facing the English not quite match up, b
Eric Diehl
MATH 336
Dr. Parsons
Greek Geometry
Read the article Greek Geometry from THE MATHEMATICAL UNIVERSE.
1. Answer the following questions about the reading assignment:
a. What theorem in geometry is often called Thales Theorem?
Thales Theorem is al
Midterm 1 overview
MATH 336 Spring 2013
We will have the midterm on Wednesday in the lab. You will use Sketchpad during the test, but
you will not be permitted to use any other outside resources. Since this is our first midterm, I
want to make things fair
Math 336 Final Project
The idea for this assignment comes from William Fenton, who is one of the authors of
our textbook. I have basically taken the description from his course web page.
Choose a topic from geometry that we are not covering in class but t
Eric Diehl
Trigonometry problems
As you learned when reading Aaboes article on Ptolemy, it is possible to use a table of chords to
solve triangles. An essential technique is cutting triangles up into right triangles using altitudes.
Since Ptolemys time, t
Eric Diehl
Trigonometry
Read the excerpt from EPISODES FROM THE EARLY HISTORY OF MATHEMATICS by Asger Aaboe that
I posted on Blackboard. Answer the following questions about the reading. There are 9 questions
in all, several of which are on the next page.