Provider
Topic
Level
High School - College
Price
Free
None
Add-ons available
Common Core
Yes
No
Sal draws the graph of the tangent function based on the unit circle definition of the function.
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computing, history, art history, economics, and more, including K-14 and test preparation (SAT, Praxis, LSAT) content. We focus on skill mastery to help learners establish strong foundations, so there's no limit to what they can learn next!