Предмет: Математика, автор: ybachkina

-4√3cos(-750) помогите решить

Ответы

Автор ответа: NastyaLyu

0

-4/корень 3*(-cos(720+30))=-4/ корень3*корень3/2= -4/3/2=-4*2/3=-8/3

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: Софа4444

Нужна помощь 2,3,4 и 5

6 лет назад

Предмет: Английский язык, автор: Dvoeshnik456

Task 3: Choose the right answer: 1. - I don't know why this class is always so dirty because it ___ every morning.

A) cleaned B) cleans C) was cleaned D) is cleaned

2. If my car ___ by you, you will pay for the repairs.

A) were damaged B) are damaged C) is damaged D) was damaged

3. A: Why didn't you play football yesterday? B: Because________.

A) the match is cancelled B) the match was cancelled C) the match cancelled D) the match were cancelled

4. A: How old is the tower? B: ___ to be over hundred years old.

A) It is believed B) It believes C) People believe D) They believe

5. John was invited to the party but________.

A) he wasn't gone B) he was gone C) he didn't go D) he went

6. Mary ___ the flowers that Tim bought for her because ___ to the wrong address.

A) received / they were sent B) didn't receive / they were sent C) received / it was sent D) didn't receive / it was sent

7. A: Who ___ ? B: Alexander Graham Bell. A) was the telephone discovered B) was the telephone invented C) was the telephone discovered by D) was the telephone invented by

8. When ___ ? B: In 1990.

A) did Max•s house built B) were Max's house built C) did Max's house build D) was Max's house built

6 лет назад

Предмет: Алгебра, автор: 0953086756o

|х|=|2х-5| сросна памагіте

6 лет назад

Предмет: Математика, автор: 79234707832

Запиши все трёхзначные числа, используя данные цифры:
а) 9,2 и 1 без повторения
б) 9, 2 и 1 с повторением

9 лет назад

Предмет: Математика, автор: rudkovskayamar

помогите решить задачу.
В шести одинаковых ящиках 108 кг винограда.Сколько таких ящиков потребуется, чтобы упаковать 162 кг винограда

9 лет назад