Рябушко А.П. ИДЗ 5.2 вариант 1

DHS - 5.2
№1.1. Prove that the function f (x) = tg2x and φ (x) = arcsinx as x → 0 are the infinitesimal of the same order of smallness.
№2.1 Find limits.
№3.1 investigate these functions continuity and build their schedules.
№4.1 investigate these functions continuity at these points.

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