Предмет: Алгебра, автор: anzhelavolkova1

Помогите пожалуйста,если можно ответ полный

Приложения:

Ответы

Автор ответа: kirichekov
1
y=x*cosx, y'(π)=?
y'=(x*cosx)'=x' * cosx+(cosx)' *x=cosx-sinx
y'(π)=cosπ-sinπ=-1-0=-1
Похожие вопросы
Предмет: Русский язык, автор: ediktsutsaev
Предмет: Английский язык, автор: azerzhanovaa
Предмет: Английский язык, автор: petrgladkiy2006
Сделайте пожалуйста упражнение
Reported Speech
A) Change the following sentences from DIRECT to INDIRECT SPEECH:
Example: The boy said, “My name is Mark.”
The boy said (that) his name was Mark.
1. Mary said, “I like pop music.” ___________________________________________________________________
2. The woman said, “It’s not my umbrella, mine is red.” ___________________________________________________________________
3. Tom said, “I have a sports car. It is red.” ___________________________________________________________________
4. Mr. Brown said, “I don’t drive a car in the rush hour.” ___________________________________________________________________
5. Terry said, “I eat toasts for breakfast. They are made by my mother.” ___________________________________________________________________
6. Sue said, “The boy is looking at us. I don’t know him.” ___________________________________________________________________
7. John said, “I can swim well but I don’t have enough time to swim.” ___________________________________________________________________
8. My brother said to me, “I don’t want to carry your books!” ___________________________________________________________________
9. The teacher said, “If you don’t study regularly, you’ll fail.” ___________________________________________________________________
10. Mr. Green said, “I have to water my flowers twice a week.” ___________________________________________________________________
11. Alice said, “I used to swim well but now I don’t.” ___________________________________________________________________
12. Mr. Miller said, “I know your parents. I’ve met them in the meeting.” ___________________________________________________________________