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Тригонометричні вирази

Authored by Максим Зубенко

Mathematics

10th Grade

Used 9+ times

Тригонометричні вирази
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

В яких чвертях знак косинуса додатній?

1,2

2,3

1,3

1,4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Виберіть основну тригонометричну тотожність

sin2x+cos2x=1\sin^2x+\cos^2x=1

1+tg2x=1cos2x1+tg^2x=\frac{1}{\cos^2x}

1+ctg2x=1sin2x1+\operatorname{ctg}^2x=\frac{1}{\sin^2x}

sin2x=2sinxcosx\sin2x=2\sin x\cos x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

А

Б

В

Г

Д

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

А

Б

В

Г

Д

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

А

Б

В

Г

Д

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

А

Б

В

Г

Д

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

-0,6

-0,8

0,6

0,8

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