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Тригонометрия 2

Authored by Kakashi Hataki

Mathematics

1st Grade

Used 19+ times

Тригонометрия 2
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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin⁡(180°+α)\sin\left(180\degree+\alpha\right)  

 cos⁡α\cos\alpha  

 sin⁡α\sin\alpha  

 −cos⁡α-\cos\alpha  

 −sin⁡α-\sin\alpha  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos⁡(−30°)\cos\left(-30\degree\right)  

 12\frac{1}{2}  

 11  

 32\frac{\sqrt{3}}{2}  

 −32-\frac{\sqrt{3}}{2}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tgα×ctg⁡α=?tg\alpha\times\operatorname{ctg}\alpha=?  

 sin⁡a\sin a  

 11  

 −1-1  

 00  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tg=?tg=?  

 қарсы жатқан катетгипотенуза\frac{қарсы\ жатқан\ катет}{гипотенуза}  

 іргелес жатқан катет гипотенуза\frac{іргелес\ жатқан\ катет\ }{гипотенуза}  

 қарсы жатқан катетіргелес жатқан катет\frac{қарсы\ жатқан\ катет}{іргелес\ жатқан\ катет}  

 іргелес жатқан катетқарсы жатқан катет\frac{іргелес\ жатқан\ катет}{қарсы\ жатқан\ катет}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 −210° қай ширекте жатады?-210\degree\ қай\ ширекте\ жатады?  

 11  

 22  

 33  

 44  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

 tgatga 

 ctg⁡a\operatorname{ctg}a  

 −ctg⁡a-\operatorname{ctg}a  

 −tga-tga  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin⁡225°\sin225\degree  

 11  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

 −22-\frac{\sqrt{2}}{2}  

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