Glen Gray

My hope is to provide interesting math videos that inform and entertain making full use of the video tools available. My current focus is on introductory college mathematics since proportionally most students fall in this range.

Intro to Solving Word Problems
Intro to Solving Word Problems
Solving My First (Degree) Equations
Solving My First (Degree) Equations
Absolute Value - Absolutely Fabulous
Absolute Value - Absolutely Fabulous
Solving Rational Polynomial Equations (or Fractions Lost)
Solving Rational Polynomial Equations (or Fractions Lost)
Adding and Subtracting Rational Polynomials
Adding and Subtracting Rational Polynomials
Multiply and Divide Rational Polynomials
Multiply and Divide Rational Polynomials
From The Celestial Sphere Back to Earth
From The Celestial Sphere Back to Earth
Lost? Have you tried Spherical Navigation?
Lost? Have you tried Spherical Navigation?
Polar Triangles - How Cool Is That?
Polar Triangles - How Cool Is That?
Spherical Trigonometry - An Introduction and Basic Theorems
Spherical Trigonometry - An Introduction and Basic Theorems
Traveling Around with Linear and Angular Velocity
Traveling Around with Linear and Angular Velocity
Solving Systems of Equations Using the Matrix Inverse
Solving Systems of Equations Using the Matrix Inverse
Why did the Vector Cross the Vector?
Why did the Vector Cross the Vector?
Geometric Modeling - Lost In Translation
Geometric Modeling - Lost In Translation
Surface-Surface Intersections (SSi)
Surface-Surface Intersections (SSi)
Introduction to Matrices - Basic Operations
Introduction to Matrices - Basic Operations
Rational Trig Graphs - Tan, Cot, Sec, Csc
Rational Trig Graphs - Tan, Cot, Sec, Csc
Trig Identities - Double or Sum Things
Trig Identities - Double or Sum Things
Solving Trigonometric Equations - Statements Only Sometimes True
Solving Trigonometric Equations - Statements Only Sometimes True
An Introduction to Trig Identities
An Introduction to Trig Identities
Graphing the Sine and Cosine Functioins
Graphing the Sine and Cosine Functioins
Inverse Trig Functions
Inverse Trig Functions
Introduction to Trig via The Unit Circle
Introduction to Trig via The Unit Circle
Introduction to Trigonometry via Triangles
Introduction to Trigonometry via Triangles
The Binomial Theorem - From Two We Get Many
The Binomial Theorem - From Two We Get Many
Advanced Tools For Finding Zeros of Polynomials
Advanced Tools For Finding Zeros of Polynomials
Finding Zeros of Polynomials - Rational zeros
Finding Zeros of Polynomials - Rational zeros
DeMoivres Theorem - Powers and nth Roots of Complex Numbers
DeMoivres Theorem - Powers and nth Roots of Complex Numbers
Rotation of Axes - bye bye xy
Rotation of Axes - bye bye xy
Introduction to Polar Coordinates
Introduction to Polar Coordinates