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Сиқырлы тригонометрия

Authored by Balzhan Zhan

Mathematics, Professional Development

9th Grade

Used 38+ times

Сиқырлы тригонометрия
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(3π2+α)\sin\left(\frac{3\pi}{2}+\alpha\right)  

 cosα-\cos\alpha  

  sinα\sin\alpha 

 sinα-\sin\alpha  

 cosα\cos\alpha  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos(3πα)\cos\left(3\pi-\alpha\right)  

 sinα-\sin\alpha  

 sinα\sin\alpha  

 cosα-\cos\alpha  

 cosα\cos\alpha  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos(5π+α)\cos\left(5\pi+\alpha\right)  

 cosα-\cos\alpha  

 sinα-\sin\alpha  

 cosα\cos\alpha  

 sinα\sin\alpha  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(7π2+α)\sin\left(\frac{7\pi}{2}+\alpha\right)  

 cosα\cos\alpha  

 sinα-\sin\alpha  

 sinα\sin\alpha  

 cosα-\cos\alpha  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(9π2+α)\sin\left(\frac{9\pi}{2}+\alpha\right)  

 sinα\sin\alpha  

 sinα-\sin\alpha  

 cosα-\cos\alpha  

 cosα\cos\alpha  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tg(3π2α)tg\left(\frac{3\pi}{2}-\alpha\right)  

 tgαtg\alpha  

 tgα-tg\alpha  

 ctgα-\operatorname{ctg}\alpha  

 ctgα\operatorname{ctg}\alpha  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ctg(5πα)\operatorname{ctg}\left(5\pi-\alpha\right)  

 ctgα\operatorname{ctg}\alpha  

 ctgα-\operatorname{ctg}\alpha  

 tgα-tg\alpha  

 tgαtg\alpha  

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