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Тригонометрия

Authored by Гульжайнар Омирзакова

Mathematics

10th Grade

Used 21+ times

Тригонометрия
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Қай ширекте -80° бұрышы жатады:

I ширек

II ширек

III ширек

IV ширек

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

1200 бұрышын радиандық өлшемде көрсет

7П / 9

2П / 3

4П / 3

2 П

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Негізгі тригонометриялық тепе-теңдік

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

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

sin2x+cos2y=1\sin^2x+\cos^2y=1

tgx×ctgx=1tgx\times\operatorname{ctg}x=1

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 cos π4=\cos\ \frac{\pi}{4}=  

 12\frac{1}{2}  

 32\frac{\sqrt{3}}{2}  

 22\frac{\sqrt{2}}{2}  

0

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 sin(αβ)\sin\left(\alpha-\beta\right)  

 2sinαcosβ2\sin\alpha\cos\beta  

 sinβcosαcosβsinα\sin\beta\cos\alpha-\cos\beta\sin\alpha  

 sinαcosβ+sinβcosα\sin\alpha\cos\beta+\sin\beta\cos\alpha  

 sinαcosβsinβcosα\sin\alpha\cos\beta-\sin\beta\cos\alpha  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin(α - β) = sinα ∙ ........ – cosα ∙ sinβ

sin β

cos β

cos α

sin α

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

cos20 cos15 - sin20 sin15=

sin 5

cos 5

cos 45

sin 45

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