Associate Professor

Mathematics Department

Room M214

Tel 217.351.2885 · Fax 217.373.3898

lblackburn@parkland.edu

Current Schedule

Teaching History

- Reminders: You have a quiz on Monday Aug 25 covering sections 1.1 through 1.3. Also, you have a homework quiz on Tuesday Aug 26; so have your homework from the week of Aug 18 to Aug 22 complete, organized, and ready to be copied onto the quiz paper.
- Welcome! Class starts Monday August 18th. The syllabus in the document list below will be handed out on the first day; there is no need to print it out. The first 10 pages of the lecture notes below will be handed out in class. After that, you are responsible for printing the notes and bringing them to class. Keep checking back for updates.

- Syllabus
- Lecture Notes (through section 1.6)

- Reminders: You have a quiz on Monday Aug 25 covering sections 1.1 through 1.3. Also, you have a homework quiz on Tuesday Aug 26; so have your homework from the week of Aug 18 to Aug 22 complete, organized, and ready to be copied onto the quiz paper.
- Welcome! Class starts Monday August 18th. The syllabus in the document list below will be handed out on the first day; there is no need to print it out. The first 10 pages of the lecture notes below will be handed out in class. After that, you are responsible for printing the notes and bringing them to class. Keep checking back for updates.

- Syllabus
- Lecture Notes (through section 1.6)

- Reminders: You have a Chapter 1 quiz on Monday August 25th. Your first homework quiz will also be on that day; so have your homework from the week of Aug 18 to Aug 22 complete, organized, and ready to be copied onto the quiz paper.
- Welcome! Class starts Monday August 18th. The syllabus and course notes in the document list below will be handed out on the first day; there is no need to print them out.

- Reminder: Your first homework quiz will be on Monday Aug 25th. So make sure your homework from Chapter 0 (bottom of page 5 in your notes) and section 9.1 is done, organized, and ready to be copied onto the quiz paper.
- Welcome! Class starts Monday August 18th. The syllabus and Unit 1 Lecture Notes in the document list below will be handed out on the first day; there is no need to print them out. You will have to print out your own lecture notes beyond Unit 1. I will put further notes below once I have finished writing them.

The following are lessons and worksheets that constitute a quick course in trigonometry ideal for students reviewing before taking a calculus course. Read the lesson, try the worksheet, and check your solutions. These files could also be used by a student studying trigonometry for the first time.

- Lesson 01 Notes | Lesson 01 Worksheet | Solutions | Angles
- Lesson 02 Notes | Lesson 02 Worksheet | Solutions | Similar Triangles
- Lesson 03 Notes | Lesson 03 Worksheet | Solutions | The Six Trigonometric Functions
- Lesson 04 Notes | Lesson 04 Worksheet | Solutions | Special Triangles
- Lesson 05 Notes | Lesson 05 Worksheet | Solutions | General Angles
- Lesson 06 Notes | Lesson 06 Worksheet | Solutions | Radians
- Lesson 07 Notes | Lesson 07 Worksheet | Solutions | Trigonometric Functions of General Angles
- Lesson 08 Notes | Lesson 08 Worksheet | Solutions | Graphing the Sine and Cosine Functions
- Lesson 09 Notes | Lesson 09 Worksheet | Solutions | Graphing the Other Trigonometric Functions
- Lesson 10 Notes | Lesson 10 Worksheet | Solutions | Amplitude and Period Changes
- Lesson 11 Notes | Lesson 11 Worksheet | Solutions | Vertical Shifts and Phase Shifts
- Lesson 12 Notes | Lesson 12 Worksheet | Solutions | Basic Right Triangle Applications
- Lesson 13 Notes | Lesson 13 Worksheet | Solutions | More Right Triangle Applications
- Lesson 14 Notes | Lesson 14 Worksheet | Solutions | Some Fundamental Trigonometric Identities
- Lesson 15 Notes | Lesson 15 Worksheet | Solutions | More Fundamental Trigonometric Identities
- Lesson 16 Notes | Lesson 16 Worksheet | Solutions | Introduction to Trigonometric Equations
- Lesson 17 Notes | Lesson 17 Worksheet | Solutions | More Trigonometric Equations
- Lesson 18 Notes | Lesson 18 Worksheet | Solutions | Solving Trigonometric Equations by Factoring
- Lesson 19 Notes | Lesson 19 Worksheet | Solutions | Addition/Subtraction Identities for Sine
- Lesson 20 Notes | Lesson 20 Worksheet | Solutions | Cofunction Identities
- Lesson 21 Notes | Lesson 21 Worksheet | Solutions | Addition/Subtraction Identities for Cosine and Tangent
- Lesson 22 Notes | Lesson 22 Worksheet | Solutions | Double-Angle and Power-Reducing Identities
- Lesson 23 Notes | Lesson 23 Worksheet | Solutions | The Inverse Sine Function
- Lesson 24 Notes | Lesson 24 Worksheet | Solutions | The Inverse Cosine and Tangent Functions

The files found by clicking the following link constitute a quick review of major geometry topics taught at the high school level. They are ideal for a student reviewing for a placement exam or a course that uses geometry.

Atomic Chess is a fun chess variant that can be played on the Free Internet Chess Server (FICS) . My handle on that site is Rekursiv. I've collected together here some books, articles, and videos that I've authored about this game.

- Atomic Chess Rules (video)
- Atomic Chess Rules (pdf)
- Sample Game (pdf)
- One-move Atomic Chess Puzzles (pdf)
- Atomic Chess Openings for Beginners - Part I (video)
- Atomic Chess Openings for Beginners - Part II (video)
- Atomic Chess : Elementary Endgames (2011) (pdf)
- Atomic Chess : Elementary Tactics (2011) (pdf)
- Rekursiv vs. Grandlapin (April 1, 2011) (video)
- Grandlapin vs. Rekursiv (April 1, 2011) (video)

Visit my chess blog .