Precalculus.
Authors : Khan Academy
This online course allows students to review some precalculus notions from 11th grade/Secondary 5 : composite and inverse functions, trigonometry, complex numbers, rational functions, conic sections, vectors, matrices, probability and combinatorics, series, limits and continuity. The concepts are presented in the form of videos and small review exercises with immediate feedback. A final challenge completes the course.
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