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Table of contents

1. Fundamental Concepts of Algebra
2. Functions and Graphs
3. Polynomial and Rational Functions
4. Exponential and Logarithmic Functions
5. Trigonometric Functions
6. Analytic Trigonometry
7. Additional Topics in Trigonometry
8. Systems of Equations and Inequalities
9. Matrices and Determinants
10. Conic Sections and Analytic Geometry
11. Sequences, Induction, and Probability
12. Introduction to Calculus

5. Trigonometric Functions

Right Triangle Trigonometry

Precalculus5. Trigonometric FunctionsRight Triangle TrigonometryFind Function Values for 30°(π / 6), 45°(π / 4), and 60°(π / 3)

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Special triangles

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