This series will help you master the [](https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:trig)full unit of [Trigonometry](https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:trig) in Khan Academy's Pre-Calculus course. You will go through Khan Academy skills and quizzes, culminating with you taking the final Unit Test and earning a Schoolhouse certification!

This course is geared towards students who are interested in and are currently taking Precalculus. We will dive deep into the hardest Precalculus topics with the aim of building a strong foundation for higher-level math classes like Calculus.

This course is geared towards students who are interested in and are currently taking Precalculus. We will dive deep into the hardest Precalculus topics with the aim of building a strong foundation for higher-level math classes like Calculus.