Khan Academy's Precalculus course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!

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; …

Learn precalculus in preparation for calculus. We cover trigonometry, conic sections, matrices, complex numbers, combinatorics, and more. (aligned with Common Core standards)

Check out Get ready for Precalculus. 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 …

Up next for you: Course challenge Test your knowledge of the skills in this course. Start Course challenge.

Check out Get ready for Precalculus. This unit explores geometric series, which involve multiplying by a common ratio, as well as arithmetic series, which add a common difference …

In general, I'd say yes. You don't need the probability and combinatorics, but Calculus will test your knowledge of trig, all the identities you've ever learned, and how to recognize patterns …

Learn Precalculus aligned to the Eureka Math/EngageNY curriculum —complex numbers, vectors, matrices, and more.

Non-trigonometry pre-calculus topics. Solid understanding of all of the topics in the "Algebra" playlist should make this playlist pretty digestible.

Mar 4, 2025 · I have began the Khan Academy Pre-Calculus course, but I am not sure what general topics I should focus on or if there are any I should disregard. What learning resources …