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0. Fundamental Concepts of Algebra

1. Equations and Inequalities

2. Graphs

3. Functions & Graphs

4. Polynomial Functions

5. Rational Functions

6. Exponential and Logarithmic Functions

7. Measuring Angles

8. Trigonometric Functions on Right Triangles

9. Unit Circle

10. Graphing Trigonometric Functions

11. Inverse Trigonometric Functions and Basic Trig Equations

12. Trigonometric Identities 

13. Non-Right Triangles

14. Vectors

15. Polar Equations

16. Parametric Equations

17. Graphing Complex Numbers

18. Systems of Equations and Matrices

19. Conic Sections

20. Sequences, Series & Induction

21. Combinatorics and Probability

22. Limits & Continuity

23. Intro to Derivatives & Area Under the Curve

Default TOC

This Precalculus study guide covers trigonometric identities, equations, right triangle applications, law of sines/cosines, polar coordinates, and complex numbers.

Precalculus Study Guide: Trig, Equations & Complex Numbers

Precalculus Study Guide: Trigonometric Identities, Equations, and Complex Numbers

Precalculus Study Guide: Trigonometric Identities, Equations, and Complex Numbers

Study Guide - Learn with Videos

Trigonometric Functions on the Unit Circle

Sum and Difference Identities

Double Angle Identities

Linear Trigonometric Equations

Law of Sines

Law of Cosines

Polar Coordinate System

Convert Points Between Polar and Rectangular Coordinates

Convert Equations Between Polar and Rectangular Forms

Polar Form of Complex Numbers

Products and Quotients of Complex Numbers

Powers of Complex Numbers (DeMoivre's Theorem)