Предмет: Алгебра, автор: nastyapotapova1

как разложить 5cos6x?

Ответы

Автор ответа: CatherineSmile
0
5cos6x=5(cos^23x-sin^23x)
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Предмет: Английский язык, автор: Subsystem
Exercise 2. Прочитайте текст и заполните пропуски данными словами: cashdesk, window, greengrocer’s, shoplifting, goods, grocer’s, butcher’s, departments, self-service, baker’s, jeweller’s, price, bill, shoeshop, wrapsup, buy, salesmen, bookshop.



When we want to 1 ____________ something, we must go t o the shop where it is sold. In the shop 2_____________ we see what is sold in the shop.
Sugar, tea, coffee, salt, pepper, ham, bacon, and so on are sold at the 3_____________ . Bread is sold at the 4____________ , meat at the 5______________ . We go to t he 6_____________ for vegetables and fruit. We buy boots and shoes at t he 7____________ . We buy books at the 8_____________ and jewellery and watches at the 9______________ .The salesman or salesgirl stands behind the counter. We ask the salesman: “How much is this?” or “What is the price of that?” He tells us he 10___________ . He gives us the 11___________ . At the 12___________ we give the money and the bill to the cashier who us a check and our change. The salesman 13__________ the goods and gives them to us. We put them in our bag.
Some shops have many 14____________ . We can buy nearly everything we need there. In some shops there are no 15____________ , but only cashiers. The customers choose the 16_____________ they want and pay at the cash desk. These are called 17_____________ shops. If someone tries to take things from a shop without paying they are almost certain to be caught. 18_______________ is considered a serious crime by the police.