У меня есть своя собственная "примета ЖЖ/фейсбука/интернета". То есть у меня их несколько. Про ту, которая "как только про что-нибудь напишешь, оно изменится, но правда в какую сторону -- не предсказать" я много лет назад писала. Но она все равно работает. Есть еще одна работающая примета, уже про чтение: "если я читаю чью-то запись или просто
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Who are these nebulous "they" everyone is referring to? I never said this was what a typical 6th grader covered in school --
only that mine got to do it in 6th grade, thus proving to me that I can fail to help a 6th grader with his math homework.
Yes, students taking this particular class already know trigonometric functions, identities, etc. And so does my son. I have no idea if there are any other six graders in his class (although there may be) or that other six graders know trigonometry.
My 4th grader covered complex numbers in her school math class this past year, although they didn't get as far as roots of unity, of course. I think there may have been another 4th grader in her math class, although I'm not sure. At least that I can ask her when she wakes up :).
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