Math 142 Videos
Course Videos
Each of these links send you to a play list of the videos for that chapter. The videos are listed both by section number and topic.
Chapter 1  In this chapter you will learn how to:

Identify Acute, Obtuse, Right and Straight Angles

Evaluate Complementary and Supplementary Angles

Convert between Degree Measure and Revolutions

Classify Triangles by their Sides and Angles

Solve problems involving Similar Triangles

Draw an Angle in Standard Position

Identify Quadrantal Angles and find their Trig Function values

Learn and Use the Definitions of the Trigonometric Functions

Determine the Ranges of the Trig Functions

Derive and Use the Reciprocal and Quotient Trig Identities
Chapter 2  In this chapter you will learn how to:
 Learn the Right Triangle Trig definitions using SohCahToa
 Write a Trig Function in terms of its Cofuntion
 Solve Trig Equations using Cofunctions
 Evaluate Trig Function Values of Acute Angles
 Determine a Reference Angle
 Evaluate Trig Function Values of NonAcute Angles
 Find Trig Function Values using a Calculator
 Find Angle Measures using a Calculator
 Solve problems involving Angle of Elevation and Angle of Depression
 Solve problems involving Right Triangles
Chapter 3  In this chapter you will learn how to:
 Define Radian Measure and show its relationship to a circle
 Apply Radian Measure to a circle's physical attributes of Arc Length and Area of a Sector
 Use the Unit Circle to Define the Circular Functions
 Solve problems involving Linear and Angular Speed as an object moves in a circular path
Chapter 4  In this chapter you will learn how to:
 Derive the basic graphs of Sine, Cosine, Tangent, Cotangent, Secant and Cosecant
 Construct and analyze graphs involving translations of the Trig Function graphs
 Apply the Trig Function graphs to solve application problems involving Harmonic Motion
Chapter 5  In this chapter you will learn how to:
 Derive and memorize all the Identities: Fundamental, Sum and Difference, Cofunction, Double Angle and Half Angle
 Verify Trigonmetric Identities using two different methods
 Solve application problems using the Identities and algebra techniques
Chapter 6  In this chapter you will learn how to:
 Graph the Inverse Sine, Inverse Cosine and Inverse Tangent Functions
 Give exact values of all six Inverse Trig Functions by applying their ranges
 Solve equations involving the Inverse Trig Functions
 Solve Trigonometric Equations by factoring, using the Quadratic Formula, and substituting Trig Identities
 Solve Trigonometric Equations for all possible solutions
 Solve Trigonometric Equations with Multiple Angles
Chapter 7  In this chapter you will learn how to:
 Set up and solve triangle application problems using Law of Sines
 Set up and solve triangle application problems using the Ambiguous Case of the Law of Sines
 Set up and solve triangle application problems using Law of Cosines
 Perform Vector Operations
 Set up and solve application problems using vectors involving bearing, navigation, forces on an incline
Chapter 8  In this chapter you will learn how to:
 Solve equations with Complex Numbers by factoring and using the Quadratic Formula
 Convert between Rectangular Form and Complex Trigonometric Form
 Apply the Product and Quotient rules to the Trig Form of Complex Numbers
 Apply De Moivre's Theorem to evaluate powers of Complex Numbers in Trig Form
 Apply the nth Root Theorem to evaluate roots of Complex Numbers in Trig Form
