Date: 2014-Sep-06, Saturday 17:17 (UTC)
From: [identity profile] vgiv.livejournal.com
> тригонометрические преобразования. которые в таком виде вообще нигде не нужны

Хм. Так уж и нигде? Довольно смешно, по-моему, противопоставлять синусы логарифмам.
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