Precalculus Video Library

Pre-Cal Chapter 2 Sample Test Questions

2021 Factoring Odd Degree Polynomial with Special Factoring Formulas

Pre-Calculus Applying Descartes' Rule

Finding Complex Zero with Factoring, p/q, Synthetic Division and Quadratic Formula

Complex Numbers with Addition, Subtraction, Multiplication and Division and i cycle

Finding Real and Complex Zeros of a Polynomial

Graphing a Rational Function with five easy steps

The Secret Technique in Pre-Calculus Graphing Rational Functions

Pre-Cal Chapter 3 Sample Test Questions

Desmos VS TI-84 on Graphing a Logarithmic Function

Graphing Exponential and Logarithmic Function with TI-84

Pre-Cal Section 4.3 Logarithmic Properties

Pre-Cal 4.4 Solving Exponential and Logarithmic Equations

Pre-Cal 4.5 Exponential Models

The Secret of Getting an A on the Pre-Cal Midterm

Recognizing Trigonometric Unit Circle

Pre-Calculus Lesson 5.1

Proving Pythagorean Identities with Unit Circle and Algebra

Pre-Calculus 5.2 SOHCAHTOA and Reciprocal Form (CHOSHACAO)

Pre-Calculus 5.3 Review of Graphing Sine and Cosine Functions

Pre-Calculus 5.4 Part 1: Tangent, Cotangent, Secant and Cosecant

Pre-Calculus 5.4: More Graphing Trigonometric Functions

The Secret in Pre-Cal of Making Trigonometric Graphs and Analysis

Pre-Cal 6.1 Part 1: Arc Length, Rotation and Angular Displacement

Pre-Calculus 6.1 Part II: Linear and Angular Velocity

Pre-Calculus 6.2 Solving Right Triangles with SOHCAHTOA and Inverses

Pre-Calculus 6.3 Part 1: Finding Trigonometric Reference Angles

Pre-Calculus 6.3 Part II: Finding Area of a Triangle

Pre-Calculus 6.4 Part I: Law of Sines

Pre-Calculus 6.4 Part II: Ambiguous Cases

Pre-Calculus 6.5 Law of Cosines

The Ultimate Secret of Ambiguous Cases Using the Law of Sines

Proving Basic Trigonometric Identities

Pre-Calculus 7.1 Fundamental Trigonometric Identities

The Secret of Proving Trigonometric Identities: Sum and Difference

Pre-Calculus 7.2 Sum and Difference Identities

Pre-Calculus 7.3 Part 1 Double Angle Identities

Pre-Calculus 7.3 Part II Half Angle

Pre-Calculus 7.3 Part III Product to Sum

Pre-Calculus 7.4 Inverse Trigonometric Functions

Pre-Calculus 7.5 Solving Trigonometric Equations

Pre-Cal Chapter 7 Trigonometric Identities and Inverse Functions Sample Test Problems

Review for Pre-Calculus Final in Less Than 40 Minutes

Pre-Calculus 8.1 Polar Coordinates and Basic Graphs

Pre-Calculus 8.2 Graphing Polar Equations with Symmetry

Pre-Calculus 8.3 Complex Form vs Polar/Trigonometric Form; De Moivre’s Theorem

The Secret of Vectors in Pre-Calculus, Calculus and Multivariable Calculus

Pre-Calculus 10.1 Circle — Must-Watch Lecture for the Final

Pre-Calculus 10.2–10.3 Ellipses and Hyperbolas

Pre-Calculus 11.2 Arithmetic Sequences and Series

Pre-Calculus 11.3 Geometric Sequences and Series

The Valuable Lesson of Pre-Cal Honors Chapters 1 and 2 Part 1

Pre-Cal Honors Chapters 1 and 2 Lecture Part 2

Pre-Cal Honors Chapters 1 and 2 Lecture Part III

Pre-Calculus Honors Chapters 1 and 2 Part 4: Quadratic Functions Analysis

The Secret of Finding Polynomial Rational and Irrational Zeros

Pre-Cal Honors Chapter 3 Part II Complex Zeros

The Secret of Graphing Rational Functions — Pre-Cal Chapter 3 Part III

Pre-Cal 4.1 Graphing Exponential Functions and Constant e

Pre-Cal 4.2 Graphing Logarithmic Functions and Log/Exponential Conversion

Essential Properties of Logarithm and Natural Logarithm — Pre-Calculus 4.3

Pre-Calculus Honors 4.4 Solving Exponential and Logarithmic Equations

Bacteria Growth/Decay and Logistic Growth Applications

Pre-Cal 5.1 and 6.1 Unit Circle, Revolution and Arc Length

Pre-Calculus 5.2 Trigonometric Ratios

Pre-Cal Honors 5.3 Part I Cosine and Sine Graph Analysis

Pre-Calculus Honors 5.3 Part II Cosine and Sine Word Problems

The Secret of Graphing Secant and Cosecant Functions — Pre-Cal Honors 5.4

Pre-Calculus 5.4 Second Half: Tangent and Cotangent Graphs

Pre-Calculus 6.2 Right Triangle Trigonometry

Section 6.3 Trigonometric Functions with Any Angles

The Secret of a Bearing Angle — Pre-Calculus 6.3, 6.4 and 6.5

The Secret of Inverse Trigonometric Functions — Pre-Calculus 7.4

The Secret of Proving Trigonometric Identities You Don't Want to Miss — Honors 7.1 Part I

More Intense Trigonometric Identity Proofs — Pre-Cal Honors 7.1 Part II

No Pain, No Gain — Pre-Cal Honors 7.1 Part II #5

The Heart and Soul of Sum and Difference Identities — Pre-Calculus Honors 7.2

In-Depth Analysis of Double Angle Identities — Pre-Calculus Honors 7.3 Part 1

Pre-Calculus Honors 7.3 Part II Half Angle and Power Reducing

Product-to-Sum and Sum-to-Product Identities — Pre-Calculus Honors 7.3

The Secret of Solving Brutal Trigonometric Equations — Pre-Calculus Honors 7.5

Rectangular to Polar Coordinates — Pre-Calculus

The Secret of Sketching a Polar Graph — Pre-Calculus 8.2 Part 1

Graphing Cardioids, Limacons, Roses and Other Polar Shapes — Pre-Calculus 8.2

The Heart and Soul of Basic Vectors — Pre-Calculus Honors 8.4

The Secret of the Dot Product — Pre-Calculus Honors 8.5

The Secret of Solving Nonlinear Systems of Equations — Pre-Calculus 9.1

Solving Special Linear Systems with Multiple Variables — Pre-Calculus

Echelon and Reduced Row Echelon Form — Pre-Calculus 9.4

Adding, Subtracting and Multiplying Matrices — Pre-Calculus

The Shortcut for Finding an Inverse Matrix — Pre-Calculus 9.6

Finding the Determinant of Any Size Square Matrix — Pre-Calculus Honors 9.7

Decomposing Rational Expressions into Partial Fractions — Pre-Calculus

The Secret Beauty of Parametric Equations — Pre-Calculus 10.7

The Secret of Getting an A on the Pre-Calculus Final — Honors Final Review