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Дз Диме

Authored by Екатерина Почечун

Mathematics

11th Grade

Used 1+ times

Дз Диме
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22 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 sin(2α)\sin\left(2\alpha\right)  

 cos2αsin2α\cos^2\alpha-\sin^2\alpha  

 2sinαcosα2\sin\alpha\cos\alpha  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 cos(2α)\cos\left(2\alpha\right)  

 2sinαcosα2\sin\alpha\cos\alpha  

 cos2αsin2a\cos^2\alpha-\sin^2a  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 tgαctgαtg\alpha\cdot\operatorname{ctg}\alpha  

1

0

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 ctgα\operatorname{ctg}\alpha  

 sinαcosα\frac{\sin\alpha}{\cos\alpha}  

 cosαsinα\frac{\cos\alpha}{\sin\alpha}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 sin2α+cos2α\sin^2\alpha+\cos^2\alpha  

1

0

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 sin π3\sin\ \frac{\pi}{3}  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

-1

 12\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

sin  π6\frac{\pi}{6}  

0

1

-1


12\frac{1}{2}

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