-
Вопрос по алгебре:
Вычислите:
(sin 11п/4-cos13п/4)*sin(-2.5п):cos(-25п/3)
-
Автор:
larryswanson
-
-
Ответ:
(sin 11п/4-cos13п/4)*sin(-2.5п):cos(-25п/3)=
=(sin(3/4п-сos(-3/4П))*sin(-П/2)/ cos(-П/3)=sqrt(2)*(-1)/(1/2)=-2sqrt(2)
Еще 4 ненужных тебе вопроса, но это важно для поиска
-
Вопрос по алгебре:
Рост младшего брата равен 1,06 м. Каков приблизительный рост старшего брата? Ответ запиши в сантиметрах.
-
Ответов: 1
-
-
Вопрос по алгебре:
В наборе 10 чисел, их среднее арифметическое равно 4,8. Чему будет равно среднее арифметическое нового набора, если из наибольшего числа данного набора вычесть 6?
-
Ответов: 1
-
-
Вопрос по английскому языку:
Ответьте на вопросы пожалуйста! 1.what is the Webster's Dictionary definition of the hardware? 2.What groups does hardware consist of? 3. What is input hardware?-
Ответов: 3
-
-
Вопрос по английскому языку:
1. I just (to see) Jack. 2. She (to wash) the dishes from five till six. 3. Look! She (to draw) a very nice picture. 4. At this time yesterday I (to talk) to my friend. 5. The TV programme (to begin) before I (to come) home. 6. I (not to eat) icecream since summer. 7. I understood that she (not to read) my letter. 8. She (to do) the rooms when I (to come) home. 9. It’s all right: she (to find) the way out of the situation. 10. He (to come) home late yesterday. 11. She is very glad: she (to finish) her composition at last. 12. He (to translate) the whole text by eleven o’clock. ГЗ. I never (to be) to Rome. 14. Last year we (to work) very much. 15. When I (to have) breakfast, I went to school. 16. I (not to see) you for ages! I am very glad to see you. 17. When you (to see) the «Swan Lake»? 18. My sister already (to graduate) from the institute. 19. He repaired the toy which his brother (to break) the day before. 20. I (to see) an interesting TV programme this week. 21. You ever (to be) to Trafalgar Square? 22. They (to cook) the whole day yesterday.-
Ответов: 1
-