Sin**2 (a) + cos**2(a) = 1 - Тождество является справеливым для любого
значения a. (Это основное тригонометрическое тождество) .
В частном случае, a = пи
sin**2 (пи) + cos**2(пи) = 0**2 + (-1)**2 = 1.
1) is, What, name, your?
2) are, How, old, you?
3) a, you, Are, student?
4) do, What, like, you, do, to?
<span>5) you, Can, fly?</span>
My ideal state is situated in a warm part of the world. It is somewhere in the south. It is on the coast of the sea. People in my state are friendly and polite. They are happy, because they do not have serious problems. People in my state are healthy as there are a lot of skilled doctors. There are also many shops and supermarkets in my state so you can buy what you want. My state is very cultural. We have theatres, museums, art galleries and cinemas. The government of my state is clever and honest. Our president is close to the people, he tries to help everybody. It is not difficult as my state is not large. Many tourists come to visit our place because the state is really beautiful. our nature is amazing, it impresses all of the tourists. My state is rich, people do not have problems with work. Come and see us!
2. Were you watching television when I phoned you?
3. She was working.
