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Trigonometrija, stepenovanje-test

Authored by Aleksandra Marinkovic

Mathematics

10th Grade

Used 5+ times

Trigonometrija, stepenovanje-test
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Vrednost izraza  52+20+(12)15^2+2^0+\left(\frac{1}{2}\right)^{-1}  je

25

26.5

28

27

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Vrednost izraza  32+8\sqrt{32}+\sqrt{8}  je

8

 424\sqrt{2}  

 40\sqrt{40}  

 626\sqrt{2}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ako su a=3 i b=4 katete pravouglog trougla, vrednost tangensa ugla  α\alpha  je 

 tgα=3tg\alpha=3  

 tgα=4tg\alpha=4  

 tgα=34tg\alpha=\frac{3}{4}  

 tgα=43tg\alpha=\frac{4}{3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kada racionalisemo imenilac razlomka

 22\frac{2}{\sqrt{2}}  dobicemo

 2\sqrt{2}  

 222\sqrt{2}  

 22\frac{\sqrt{2}}{2}  

 424\sqrt{2}  

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Vrednost sin45°\sin45\degree  je

 12\frac{1}{2}  

1

 22\frac{\sqrt{2}}{2}  

 12-\frac{1}{2}  

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Sinus ugla α\alpha  pravouglog trougla se definise kao

odnos nalegle katete i hipotenuze

odnos naspramne katete i hipotenuze

odnos nalegle katete i naspramne katete

odnos naspramne katete i nalegle katete

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ako se oslobodimo negativnog izlozioca u izrazu

 (a2)2\left(a^{-2}\right)^2  dobicemo izraz

 a4a^4  

 2a22a^2  

 1a2\frac{1}{a^2}  

 1a4\frac{1}{a^4}  

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