Images 1 2 TG CTG

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1 2 tg ctg. Lim tg2x/x. Lim x CTG X. Предел x^2ctg3x/sin3x. Предел cos x.
Lim tg2x/x. Lim x CTG X. Предел x^2ctg3x/sin3x. Предел cos x.

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