Предмет: Алгебра, автор: merkulovaludm

Как можно представить синус(17ПИ/6)

Ответы

Автор ответа: Anechkkaa

0

sin(2П+5П/6)=sin5П/6

2П мы убираем , т.к. это полный оборот

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1. Halloween is celebrated … .
Hundreds years ago the territory of modern England was inhabited by… .
Celtic New Year began… .
People … on October 31.
The main children’s activities on Halloween is … .
American children … .
In order to make Jack-o'-lantern you … .
Very popular activities on that day are… .
If the person will find the coin in a cake…

2. Ответьте на вопросы.

Where does the word “Halloween” come from?
Why did Celtic pagan tribes celebrate “All Hallows” Eve in this day?
Say some old traditions of this holiday?
What does “trick-or-treat” mean?
Who was Jack?
What will happen with person who found a ring or a thimble in his cake?

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