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�� #1

�� 28.19 �) � = �sin x + ctg x;�) � = tg x - cos x;�) y = cos x + tg x;�) � = 6tg x - sin...

�� #2

�� 28.19 �) � = �sin x + ctg x;�) � = tg x - cos x;�) y = cos x + tg x;�) � = 6tg x - sin...

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28.19

�) � = �sin x + ctg x;

�) � = tg x - cos x;

�) y = cos x + tg x;

�) � = 6tg x - sin x.

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