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...Algebra 2 focuses on advanced mathematical operations, such as those pertaining to complex numbers, factorization, linear systems, matrices and elementary functions, which comprise the essential knowledge base for trigonometry and precalculus...
The keys to success in trigonometry are a strong grasp of 3-4 basic concepts (such as the unit circle, the concept of inverse functions, periodicity, and the pythagorean identity) and learning how to apply them to various situations. Too...
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