Предмет: Алгебра, автор: allastar753

Допоможіть з алгеброю. Терміново !!!
Розв'яжіть рівняння: sin x = 4cos x

Ответы

Автор ответа: People0v0
2

Объяснение:

sin x = 4cos x

tg x = 4

x = arctg 4

x = arctg 4 + kп, k Є Z

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1) Вставьте в пропуски от 2 до 5 слов, включая выделенное слово, не меняя его формы, так чтобы второе предложение по смыслу полностью совпадало с первым.
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3) Сохраняйте задание и ваши ответы, эти материалы могут помочь вам при подготовке к экзамену.

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I am not going … your rudeness.
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I …. the Christmas holidays!
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They …. take him on for two months in the summer.
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The low cost of travelling …. for the lack of comfort.
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I think he’s about …. his own business.
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It looks as …. very well with each other.
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Have you …. a name for your dog yet?
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I’ve decided …. from tomorrow.
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The goalkeeper was injured, so he …. today.
10. I expect you were pleased to get home after such a terrible holiday. – must
You …. get home after such a terrible holiday.
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He …. because I was at home all day.
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Someone …. when we were in the restaurant.
13. Tim hasn’t had a single cigarette today so perhaps he has stopped smoking completely. – may
Tim hasn’t had a single cigarette today so he …. smoking completely.
14. You can keep a secret, can’t you? - give
You wouldn’t….?
15. If you don’t let me have your essay tomorrow, there’ll be trouble! - better
You …. your essay tomorrow or there’ll be trouble!
16. When she spoke to him, he laughed nervously. - a
He …. when she spoke to him.
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I …. to my friends’ wedding.
18. No one gave me any help with my homework. – not
I …. any help with my homework.
19. Someone is meeting him at the station. - met
He …. at the station.
20. Thieves stole all her priceless jewels. - robbed
She …. all her priceless jewels.