Fred Kong

Calculate Your Course Average with the TI 84 Plus CE Graphing Calculator

Fred Kong

Hacking the Unit Circle on the TI 84 Plus CE Graphing Calculator

Fred Kong

Verifying Trigonometric Identities on the TI 84 Plus CE Graphing Calculator

Fred Kong

Lightboard Demo - Related Rates of Trig

Fred Kong

Converting Between Radians and Degrees on the TI-84

Fred Kong

Editing a Desmos Activity - A How-To Tutorial

Fred Kong

The Quadratic Method Factoring without Guessing and Testing

Fred Kong

Proving Trigonometric Identities Part I

Fred Kong

Proving Trigonometric Identities Part II

Fred Kong

Basic Trigonometric Identities

Fred Kong

The Difference Between Equations and Identities

Fred Kong

Verifying Trigonometric Identities

Fred Kong

Solving Trigonometric Equations Graphically and the General Solution

Fred Kong

Solving Second Degree Trigonometric Equations Part 2

Fred Kong

Solving Second Degree Trigonometric Equations Part 3

Fred Kong

Solving Second Degree Trigonometric Equations Part 1

Fred Kong

Solving First Degree Trigonometric Equations Algebraically

Fred Kong

Writing the Equation of a Sinusoidal Function from its Graph

Fred Kong

Applying Transformations to a Sine Function

Fred Kong

Identifying the Horizontal Phase Shift in a Sine Graph

Fred Kong

Horizontal Transformations of Sinusoidal Functions

Fred Kong

Identifying the Horizontal Phase Shift in a Cosine Graph

Fred Kong

Vertical Transformations of Sinusoidal Functions

Fred Kong

Applying Transformations to a Cosine Function

Fred Kong

Using Set Notation to Describe an Infinite Set

Fred Kong

Generating the Sine and Cosine Graphs from the Unit Circle

Fred Kong

The Tangent Graph and the Unit Circle

Fred Kong

Terms Used to Describe Graphs of Sinusoidal Functions

Fred Kong

Trigonometric Ratios For Any Angle - Quadrant by Quadrant

Fred Kong

Using the Unit Circle to Solve Basic Trigonometric Equations

Fred Kong