Ответ по предмету Алгебра: Докажите тождество sin(x+y)+sin(x-y)=2 sinxsiny

Предмет: Русский язык, автор: AnyaNova

тот(час), по(видимому), (от)части

когда пишется слитно и раздельно , с примерами и почему так пишется)

1 год назад

Предмет: Английский язык, автор: ksu01

Переведите на русский язык предложения, обращая внимание на правильный перевод модальных глаголов. 1. You shouldn't walk alone around the town late at night. 2. Books must be returned to the library on time. 3. I cannot meet them at the station, I should be at work. 4. His car has broken down so he has to go to work by bus. 5. You needn't do it if you don't want to.

Перепишите следующие предложения в Past Simple. 1. She looks pale. She must spend more time out in the open air. 2. My parents are not at home and I must look after my little sister. 3. They must call the doctor because grandmother is ill. 4. Pete must stay at home because it is very cold. Вставьте модальные глаголы may или can. 1. Cheques … be accepted only with a bank card. 2. … I take a seat here? Yes, you … 3. He … not join the party because he is busy. 4. … I bring my sister with me? 5. She … translate this article without a dictionary.

Вставьте модальные глаголы: can, may, could, should, need. 1. You … think about the future and not about the past. 2. We … not do the work so quickly, there's plenty of time left 3. Where she was a baby, she … only cry. 4. You … do it, I am sure! 5. … I try this coat on?

Образуйте разделительные вопросы. 1. It's happened before, … ? 2. Jack's on holiday, … ? 3. Let's go out tonight, … ? 4. Listen, … ? 5. She likes sweets, …? 6. Tom won't be late, … ? 7. He should pass the exam, … ?

1 год назад

Предмет: Английский язык, автор: wessi

1. Прочитайте текст и заполните пропуски 1-6 частями предложений A-G. Одна из частей в списке A-G - лишняя. Перенесите ответы в таблицу. HAPPINESS What is happiness? In many industrialized countries, it is often equated with money. But the small Himalayan kingdom of Bhutan has been trying a different idea. In 1972, concerned about the problems afflicting other developing countries 1____________, Bhutan’s leader, King Jigme Singye Wangchuck, decided to make his nation’s priority its GNH, or Gross National Happiness. Bhutan, the King said, needed to ensure that prosperity was shared across society and that it was balanced against preserving cultural traditions, protecting the environment and maintaining a responsive government. The King instituted policies 2____________. Now, Bhutan’s example is serving as a catalyst for broader discussions of national well-being. A growing number of economics, social scientists, corporate leaders and bureaucrats around the world are trying to develop systems 3 __________ but also access to health care, time with family, conservation of natural resources and other non-economic factors. The goal is partly to obtain a broader definition of the world happiness. “We have to think of human well-being in broader terms,” said Bhutan’s Home Minister. “Material well-being is only one component. That doesn’t ensure that you’re at peace with your environment 4 ____________. In the early stages of a climb out of poverty, for a household or a country, incomes and contentment grow together. But various studies show that beyond certain points, 5 ___________, happiness does not keep up. And some countries, studies found, were happier than they should be. One study found that Latin American countries, for example, registered far more subjective happiness than their economic status would suggest. But researches have had great difficulty in developing measuring techniques 6 ____________. And some experts question whether national well-being can really be defined. Just the act of trying to quantify happiness could destroy it, said one expert. “The most important things in life are not prone to measurement – like love. A. aimed at accomplishing these goals B. that can capture this broader sense of well-being C. and in harmony with each other D. whose focus was only on economic growth E. but there is not necessarily a relationship between wealth and happiness F. as annual income passes certain levels G. that measure not just the flow of money 1 2 3 4 5 6 помогите пожалуйста!!!! очень срочно нужно

Докажите тождество sin(x+y)+sin(x-y)=2 sinxsiny

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