Перейти к выбору ответа 01.04.2022f(x)=2sinxtgx plz (найти производную) Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Вопрос школьника по предмету Алгебра f(x)=2sinxtgx plz (найти производную) Ответ учителя по предмету Алгебра F`(x)=2*(sinx)`*tgx+2*(sinx)*(tgx)`=2*(cosx)*(tgx)+2*(sinx)*(1/cos^2x)= =2sinx(1+(1/cos^2x))
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1.Прочитайте текст о слонах и выберите соответствующее пропущенное слово A, B или C. Read the article about elephants. Choose the best word (A, B or C) for each space. For questions 1-8, mark A, B or C.
What do you know about elephants?
There are two kinds (0) _C_ elephant -African elephants and Indian elephants. African elephants, (1) _____are taller, also have bigger, rounder ears. An African elephant’s ears are almost (2) ___same size as sheets for a single bed! But elephants don’t only use (3) ___ears to hear with. They wave them around to make them look much (4) ____dangerous than they really are.
Elephants stay together in groups called ‘herd’ and can live (5) _____80 years. They are very big and they never stop (6) _____. They often eat for 20 hours each day because they have such big bodies. An African elephants is heavier (7) _____six cars! The only animals that are (8) ______than elephants are whales.
0. A. from B. off C of
1. A. what B. which C. who
2. A. any B. a C. the
3. A. their B. them C. they
4. A. more B. many C. most
5. A. ago B. since C. for
6. A. grows B. growing C. grow
7. A. than B. then C. when
8. A. large B. larger C. largest