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# Elementary Functions and Complex Numbers (Digital book, pp. 134)

\$40.00 \$15.00

This digital book contains 9 lectures on practically everything STEM students need to know about Elementary Functions and Complex Numbers to succeed in their courses.  The emphasis is on disentangling and explaining all the necessary concepts. Teachers using these notes would enhance the quality of their teaching and by implication, students success. The Notes can be used on their own or to complement standard classroom materials.

## Description

This digital book contains 9 lectures on  practically everything STEM students need to know about Elementary Functions and Complex Numbers to succeed in their courses. The Lecture Notes contain useful Summaries (Cheat Sheets) and description of necessary Study Skills, including tips for preparing for tests and exam. The Notes are also supplied with answers to Socratic questions dispersed throughout and Solutions to suggested Home Exercises (Worked Examples).

The emphasis is on disentangling and explaining the necessary concepts.  Teachers using these notes would enhance the quality of their teaching and by implication, students success. The Notes can be used on their own or to complement standard classroom materials.

Product Summary:

• Comprehensive Lecture Notes on College Algebra and Basic Calculus
• Socratic Questions and Suggested Answers
• Useful Summaries (also known as Cheat Sheets)
• A mathematics-specific Study Skills Guide, including tips for exam preparation.
• Solutions to Exercises suggested for Self-study (Worked Examples)

I. INTRODUCTION

II. CONCEPT MAPS

III. LECTURES

Lecture 1. ALGEBRA: Addition, Subtraction, Multiplication and Division of Rational Numbers
1.1 Variables
1.2 Variables and operations on variables
1.3 General remarks
1.4 Glossary of terms introduced in this Lecture
1.5 Historical notes
1.6 Instructions for self-study

Lecture 2. Applications of Elementary ALGEBRA: Solving Simple Equations
2.1 Revision: Factorisation
2.3 Decision Tree for Solving Simple Equations
2.4 Applications of equations
2.5 A historical note
2.6 Instructions for self-study

Lecture 3. ALGEBRA: Exponentiation, Roots and Logarithms of Real Numbers
3.1 Types of variables and operations on variables (ctd.)
3.2 Applications
3.3 Instructions for self-study

Lecture 4. FUNCTIONS
4.1 Variables
4.2 Functions
4.3 Elementary operations on functions
4.4 Order of Operations (extended)
4.5 Applications of real functions of real variable and operations on such functions
4.6 A historical note
4.7 Instructions for self-study

Lecture 5. Real FUNCTIONS of One Real Variable: Graphs, Polynomials
5.1 Graphical representation of real functions of one real variable
5.2 How to use graphs of real functions y = f(x) of one real variable
5.3 Applications of graphs
5.4 Elementary functions: monomials (natural powers) and polynomials
5.5 Instructions for self-study

Lecture 6. Real FUNCTIONS of One Real Variable: Exponential Functions, Logarithmic Functions, Inverse Functions
6.1 Exponential functions
6.2 Logarithmic functions
6.3 Revision: Trigonometry
6.4 A historical note
6.5 Instructions of self-study

Lecture 7. Real FUNCTIONS of One Real Variable: Trigonometric Functions, Inverse Trigonometric Functions, Hyperbolic Functions
7.1 Trigonometric functions
7.2 Inverse trigonometric functions
7.3 Hyperbolic functions and their inverses
7.4 Instructions for self-study

Lecture 8. Real FUNCTIONS of One Real Variable: Sketching and Using Graphs, Simple Transformations
8.1 Sketching graphs using a table
8.2 Using graphs to find y1 given x1
8.3 Using graphs to find x1 given y1
8.4 Sketching graphs using simple transformations
8.5 Sketching graphs using several simple transformations
8.6 Sketching a parabola by simple transformations
8.7 Applications of simple transformations
8.8 Instructions for self-study

Lecture 9. Real FUNCTIONS of One Real Variable: Sketching Graphs by Simple Transformations (ctd.)
9.1 Sketching graphs using several simple transformations (ctd.)
9.2 Sketching graphs using pointwise operations
9.3 Instructions for self-study

Lecture 10. ALGEBRA: Addition of Complex Numbers, the Argand Diagram, Forms of Complex Numbers
10.1 Imaginary unity j
10.2 Applications of complex numbers: solving quadratic equations
10.3 Operations: the whole powers of j
10.4 Variables: definition of a complex number z
10.5 Operations: addition of complex numbers z1 and z2
10.6 Operations: subtraction of complex numbers
10.7 The Argand diagram and Cartesian form of a complex number
10.8 The Argand diagram and polar form of a complex number
10.9 The Cartesian-polar and polar-Cartesian transformations
10.10 The trigonometric form of a complex number
10.11 Euler’s formula
10.12 The exponential form of a complex number
10.13 Applications
10.14 A historical note
10.15 Instructions for self-study

Lecture 11. ALGEBRA: Multiplication and Division of Complex Numbers
11.1 Multiplication of a complex number z by a real number
11.2 Operations: multiplication of complex numbers z1 and z2
11.3 Operations: complex conjugate z* of a complex number z
11.4 Operations: division of complex numbers z1 and z2
11.5 Integer powers of complex numbers
11.6 The fractional powers (k-th roots) of complex numbers
11.7 Instructions for self-study

Lecture 12. ALGEBRA: Fractional Powers, Logs and Loci of Complex Numbers
12.1 The fractional powers (whole roots k) of complex numbers (ctd.)
12.2 Logs of complex numbers
12.3 Loci on the Argand diagram
12.4 Applications
12.5 Instructions for self-study

IV. SUMMARIES

Algebra Summary
Functions Summary
Order of Operations Summary
Trigonometry Summary
Complex Numbers
Decision Tree For Solving Simple Equations
Sketching Graphs by Simple Transformations

V. GLOSSARY

VI. STUDY SKILLS

VII. TEACHING METHODOLOGY (FAQs)

VIII. SOLUTIONS TO EXERCISES FOR SELF-STUDY (WORKED EXAMPLES)

Solutions to Exercises in Lecture 4
Solutions to Exercises in Lecture 5
Solutions to Exercises in Lecture 6
Solutions to Exercises in Lecture 7
Solutions to Exercises in Lecture 8
Solutions to Exercises in Lecture 9
Solutions to Exercises in Lecture 10
Solutions to Exercises in Lecture 11
Solutions to Exercises in Lecture 12

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