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

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; …

Knowing trig identities is one thing, but being able to prove them takes us to another level. In this unit, we'll prove various trigonometric identities and define inverse trigonometric functions, …

Precalculus 10 units · 131 skills Unit 1 Composite and inverse functions Unit 2 Trigonometry Unit 4 Rational functions

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

Explore series and sequences with Khan Academy's precalculus course, offering comprehensive lessons for mastering advanced mathematical concepts.

We can compose functions by making the output of one function the input of another one. This simple-yet-rich idea opens up a world of fascinating applications. Inverse functions undo each …

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 …

Explore Khan Academy's free precalculus resources, including vectors, with interactive lessons and practice questions designed by experts for effective learning.

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 …