Вычислить sin(-π/3)+cos(-π/6)-ctg(-π/2) - №19108916

Вычислить sin(-π/3)+cos(-π/6)-ctg(-π/2)
- Предмет:
  Алгебра
- Автор:
  ashlyn
- 6 лет назад

Ответы 2

Решение тригонометрии
- Автор:
  figgylmxc
- 6 лет назад
- 0
-√3/2+√3/2-0=0----------------------------------
- Автор:
  mattiesalas
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

sin(в квадрате)x+cos(в квадрате)x-tg2x=0
Решить уравнение
- Предмет:
  Алгебра
- Автор:
  binkybutler
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Уровень 2. Раскройте скобки, употребляя глаголы в Present, Past или Future Simple.
1. Не (to turn) on the television to watch cartoons every morning.
2. He (to turn) on the television to watch cartoons yesterday morning.
3. He (to turn) on the television to watch cartoons tomorrow morning.
4.I always (to go) to the village to visit my granny there.
5. I (to be) very busy last summer and I (not to go) there.
6. I (not to go) there next year.
7. They (to enjoy) themselves at the symphony yesterday evening?
8. Who (to take) care of the child in the future?
9. How often you (to go) to the dentist's?
10. We (not to have) very good weather, but we still (to have) a good time during our short stay in London.
11. She (to do) all the washing in their house.
12. He even (not to know) how to use the washing machine.
13. Two years ago they (to be) rich and money (to be) never a problem.
14. You (to think) you (to be) happy in your new neighborhood?
15. When the cabbage soup (to be) ready?
16. The customs officers at JFK airport in New York (to arrest) that young man when he (to arrive).
17. I (to like) to get on with my friends, so I often (to do) what they (to want).
18. When (to be) your birthday?
19. When you (to get) your watch?
20. Who (to create) Mickey Mouse?

Тест

№ 1
Закончи предложения, выбрав правильный вариант.
1. Не ...all the questions at the last lesson.
answers
answered
will answer
2. My sister ...English in a year.
learned
learns
will learn
3. I... my homework everyday.
a) do
b) did
c) will do
4. I... a funny cat yesterday.
draw
drew
will draw
5. Last year I... this interesting film.
see
saw
will see
6. They ...last year.
meet
met
will meet
7. There ...no TV in our classroom.
a) is b) are c) —
10. Did he ...a letter yesterday?
writes
wrote
write
12. ... it rainy yesterday?
Is
Will be
Was
13. ... there much snow last year?
a) Is b) Was c) Were
- Предмет:
  Английский язык
- Автор:
  lola76
- 6 лет назад
- Ответов:
  
  1
- Смотреть
найти объем шара ,вписанного в куб с ребром 6см
- Предмет:
  Математика
- Автор:
  sourdoughuuor
- 6 лет назад
- Ответов:
  
  1
- Смотреть
Недостатком массового отбора является а. инбредная депрессия; б.затухание гетерозиса; в. получение неустойчевых результатов; г. бесплодие гибридов.
- Предмет:
  Биология
- Автор:
  queen beed5dc
- 6 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years