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КЕЛТІРУ ФОРМУЛАЛАРЫ

Authored by Saltanat Adilova

Mathematics

9th Grade

Used 189+ times

КЕЛТІРУ ФОРМУЛАЛАРЫ
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Қай ширекте орналасқан?
sin 150°150\degree  

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Функцияның аты өзгермейтін жағдайды анықта

90°±α90\degree\pm\alpha

270°±α270\degree\pm\alpha

180°±α180\degree\pm\alpha

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos⁡(−780°)\cos\left(-780\degree\right)  мәнін есепте

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos⁡(360°+α)\cos\left(360\degree+\alpha\right)  

 sin⁡α\sin\alpha  

 cos⁡α\cos\alpha  

 −sin⁡α-\sin\alpha  

 −cos⁡α-\cos\alpha  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ctg⁡(3π2−α)\operatorname{ctg}\left(\frac{3\pi}{2}-\alpha\right)  

 tgαtg\alpha  

 ctg⁡α\operatorname{ctg}\alpha  

 −tgα-tg\alpha  

 −ctg⁡α-\operatorname{ctg}\alpha  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tg1665°tg1665\degree   мәнін есепте

1

0

 12\frac{1}{2}  

 −12-\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 1−sin⁡2(360°−α)1-\sin^2\left(360\degree-\alpha\right)  

 sin⁡2α\sin^2\alpha  

 cos⁡2α\cos^2\alpha  

 tg2αtg^2\alpha  

 ctg⁡2α\operatorname{ctg}^2\alpha  

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