4 Trigonometric Functions
Chapter Outline
4.1 Angles and Their Measurement
4.2 The Sine and Cosine Functions
4.3 Graphs of Sine and Cosine Functions
4.4 Other Trigonometric Functions
4.5 Verifying Trigonometric Identities
4.6 Sum and Difference Formulas
4.7 Product-to-Sum and Sum-to-Product Formulas
4.8 Inverse Trigonometric Functions
4.11 
The Limit Concept Revisited
4.1 Angles and Their Measurement
Introduction We begin our study of ...
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