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Splineguymath. Смотреть видео: Calculus 2 11 1 Sequences Part 1 Of 2, Calculus 2 10 3 Polar Coordinates Part 1 Of 3, Calculus 2 7 2 Trigonometric Integration Lecture Part 3 Of 3, Calculus 2 10 1 Parametric Curves Lecture Part 1 Of 2.