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Діагностичний тест. Тригонометричні вирази

Authored by Вікторія Бортник

Mathematics

11th Grade

Used 9+ times

Діагностичний тест. Тригонометричні вирази
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin4a+sin2acos2a-sin2a =

-2sin2a

1

2cos2a

2sin2a

0

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

ctg(-a)*tg(-a)-sin2(-a) =

cosa

cos2a

sin2a

1+sin2a

-cos2a

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin2a

1

3cos2a

3

0

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

0,5

-0,25

-0,5

-2

0,25

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Знайти значення виразу 3sin2a-7cos2a, якщо cosa=-0,1

2

2,9

3,1

3,96

2,92

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

0

1

2

3

4

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