DrBrainWalton

1.92K subscribers

129 videos

I teach math, and my usual email address is dbrianwalton. When I kept getting mistyped addresses to drbrainwalton, I decided to use that just for fun. This i...

Latest Videos

Dot Products and Matrix Multiplication

Free vs Dependent Variables and Vectors

Equations and Substitution

Delayed Reporting Shape

Numerical Approximation of Limit

Verifying Inverse Functions

Sketching a Graph

Mean Value Theorem

Rolle's Theorem

Fermats Theorem about Extreme Values

Six in Sevenshire

Finding the Graph of a Derivative Function

Using Limit Rules to Justify a Limit Calculation

Overview of Derivative Rules

Inverse Trigonometric Functions

Graphs of Trigonometric Functions

Definition of the Derivative of a Rational Function

Definition of the Derivative involving a Square Root

Using the Definition of the Derivative for a Quadratic Polynomial

Other Trigonometry Derivatives

Derivatives of Sine and Cosine

Proofs of Trigonometric Limits

Exploring Differentiability with GeoGebra

Application of Trigonometric Sum Identity

Trigonometry Identities Part 2

Trigonometry Sum Identities Part 1

Numerical Approximation of Derivative

Derivative as Limiting Slope using GeoGebra

Secant Line Approximation in GeoGebra

Tangent Line in Geogebra