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Знаки значений тригонометрических функций

Authored by Андрей Широбоков

Mathematics

5th Grade

Used 7+ times

Знаки значений тригонометрических функций
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7 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какой знак имеет

 sin120°\sin120\degree  

+

-

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какой знак имеет

 cos91°\cos91\degree  

+

-

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какой знак имеет

 tg30°tg30\degree  

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-

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Какой знак имеет

 sin(130°)\sin\left(-130\degree\right)  

+

-

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Какой знак имеет

 cos(273°)\cos\left(-273\degree\right)  

+

-

6.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Углом какой четверти являются углы:
40

 140° 1° 5π3 4140\degree\ 1\degree\ \frac{5\pi}{3}\ 4  



(a)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Какой знак имеет

 sin190° + cos100°\sin190\degree\ +\ \cos100\degree  

+

-

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