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9 В Қорытынды тест

Authored by Айгерім Сүннен

Education

9th Grade

9 В Қорытынды тест
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6 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

sinx қай ширектерде оң таңбалы?

I, IV

І, ІІ

ІІ, ІІІ

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos71cos11+sin71sin11=

-1/2

1

1/2

-1

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

sin105=

sin(60+45)

sin(60-45)

sin(90+25)

cos45

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

sin(pi-a)

-cosa

cosa

-sina

sina

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sinxcosy+cosxsiny

sin(x-y)

sin(x+y)

sin(y-x)

-sin(y-x)

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

cos(a+b)+cos(a-b)

2cosacosb

-2cosacosb

2sinasinb

-2sinasinb

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