Chapter 4 Videos

Chapter 4 Exponential and Logarithmic Functions

Section 4.1 Radian and Degree Measure

• Video: Describe Angles

• Video: Use Radian Measure

• Video: Convert between Degree and Radian Measures

• Video: Use Angles to Model and Solve Real-Life Problems

Section 4.2 Trigonometric Functions: The Unit Circle

• Video: Definition of Sine and Cosine

• Video: Identify a Unit Circle and Its Relationship to Real Numbers

• Video: Evaluate Sine and Cosine at Standard Angles

• Video: Evaluating Trigonometric Functions with a Calculator- Unit Circle

• Video: Use the Domain and the Period to Evaluate Sine and Cosine Functions 

Section 4.3 Right Triangle Trigonometry

• Video: Evaluate Trigonometric Functions of Acute Angles

• Video: Use the Fundamental Trigonometric Identities

• Video: Use Trigonometric Functions to Model and Solve Real-Life Problems 

Section 4.4 Trigonometric Functions of Any Angle

• Video: Evaluate Trigonometric Functions of Any Angle

• Video: Use Reference Angles to Evaluate Trigonometric Functions

• Video: Evaluate Trigonometric Functions of Real Numbers 

Section 4.5 Graphs of Sine and Cosine Functions

• Video: Sketch the Graphs of Basic Sine and Cosine Functions

• Video: Sketch the Graphs of Basic Sine and Cosine Functions

• Video: Use Amplitude and Period to Help Sketch the Graphs of Sine and Cosine Functions

• Video: Use Amplitude and Period to Help Sketch the Graphs of Sine and Cosine Functions

• Video: Sketch Translations of the Graphs of Sine and Cosine Functions 

Section 4.6 Graphs of Other Trigonometric Functions

• Video: Sketch the Graphs of Tangent Functions

• Video: Sketch the Graphs of Cotangent Functions

• Video: Sketch the Graphs of Secant and Cosecant Functions

• Video: Sketch the Graphs of Secant and Cosecant Functions

• Video: Sketch the Graphs of Secant and Cosecant Functions

• Video: Sketch the Graphs of Damped Trigonometric Functions 

Section 4.7 Inverse Trigonometric Functions

• Video: Evaluate the Inverse Sine Function

• Video: Evaluate the Inverse Sine Function

• Video: Evaluate the Inverse Sine Function

• Video: Evaluate the Other Inverse Trigonometric Functions

• Video: Evaluate the Compositions of Trigonometric Functions 

Section 4.8 Applications and Models

• Video: Right Triangle Trigonometry

• Video: an Application with the Tangent Function

• Video: Solve Real-Life Problems Involving Right Triangles

• Video: Solve Real-Life Problems Involving Directional Bearings

• Video: Solve Real-Life Problems Involving Directional Bearings