CosB=BC/AB=8/16=1/2
Ответ: cosB=1/2
Мусор
вывоз мусора
мусоропровод
<span>engineer, pioneer, wife, worker, son, our, their, who, whose, where, here, there
</span>
ˌɛnʤɪˈnɪə, ˌpaɪəˈnɪə, waɪf, ˈwɜːkə, sʌn, ˈaʊə, ðeə, huː, huːz, weə, hɪə, ðeə<span>
</span>Количество букв и звуков легко можно посчитать. В каждом из этих слов их от двух восьми.
1. Where is Robert Burns from?
2. What year was he born?
3. How long did he live? / Until what age did he live?
4. What did he write about?
5. In what year did he publish his collection of poems?
6. Where did he go?
7. In what kind of family was he born?
8. What did he usually do in the afternoons?
9. Whom did he marry?
10. Where did he get his first education?
B4. isn't
B5. have been eating
B6. arrived
B7. had ever seen
B8. first
B9. were thought
B10. them