The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrices; conic sections; and probability and combinatorics. It also has two optional …

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Precalculus 10 units · 131 skills Unit 1 Composite and inverse functions Unit 2 Trigonometry Unit 3 Complex numbers

Precalculus 10 units · 131 skills Unit 1 Composite and inverse functions Unit 2 Trigonometry Unit 3 Complex numbers

Polynomials are powerful tools for precalculus, as they can represent complex patterns and functions. In this unit, you will master the skills of working with polynomials, such as finding …

Welcome to Texas Precalculus! Aligned with the Texas Essential Knowledge and Skills (TEKS), this Precalculus course builds a strong foundation in advanced algebraic skills, trigonometric …

Get ready for Precalculus! Learn the skills that will set you up for success in complex numbers; polynomials; composite and inverse functions; trigonometry; vectors and matrices; series; …

These articles, activities, and videos will get you practicing using formulas, notation, and graphs, and prepare you for working with sequences and series in precalculus and calculus.

Jul 30, 2025 · Explore Khan Academy’s free, TEKS-aligned Geometry and Precalculus courses designed to build deep understanding, strengthen problem-solving skills, and prepare Texas …

Precalculus 10 units · 131 skills Unit 1 Composite and inverse functions Unit 2 Trigonometry Unit 3 Complex numbers