This course builds foundational skills and real-world problem-solving techniques essential for advanced math and science studies.

Learn high school geometry—transformations, congruence, similarity, trigonometry, analytic geometry, and more (aligned with Common Core standards).

Brush up on your trigonometry skills as you measure and calculate the sides, angles, and ratios of every kind of triangle. By triangulating your understanding of the Pythagorean theorem, …

Learn Interpreting trigonometric graphs in context Trig word problem: modeling daily temperature Trig word problem: modeling annual temperature Trig word problem: length of day (phase …

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, …

The Algebra 2 course, often taught in the 11th grade, covers Polynomials; Complex Numbers; Rational Exponents; Exponential and Logarithmic Functions; Trigonometric Functions; …

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; …

Looking for SAT Reading and Writing? This course covers Math on the SAT. You can practice the Reading and Writing portion of the exam in our SAT Reading and Writing course.

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

Practice Find trig values using angle addition identities Get 3 of 4 questions to level up!