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Tg,sin, cos ir dar

Authored by Renata Kandrotienė

Mathematics

10th Grade

Used 7+ times

Tg,sin, cos ir dar
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Funkcija f( x) =tg(x)=tg\left(x\right)   yra

lyginė funkcija

nei lyginė, nei nelyginė funkcija

nelyginė funkcija

negalima nustatyti

2.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

arctg 33=\frac{\sqrt[]{3}}{3}=

(a)  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kiek sprendinių turi lygtis tgx=−1tgx=-1   intervale (−270°; 90°)\left(-270\degree;\ 90\degree\right)  

0

1

2

3

negalima nustayti

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Su kuriomis x reikšmėmis iš intervalo 0°≤x≤360°0\degree\le x\le360\degree  funkcija f(x) =tgx=tgx  yra neapibrėžta ( neturi prasmės)?

x=90° ir  x=270°x=90\degree\ ir\ \ x=270\degree  

x=180° ir x=270°x=180\degree\ ir\ x=270\degree  

x=90° ir x=180°x=90\degree\ ir\ x=180\degree  

x=0° ir x=90°x=0\degree\ ir\ x=90\degree  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Apskaičiuokite arcssin⁡ (−22)arcs\sin\ \left(-\frac{\sqrt[]{2}}{2}\right)  

(a)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Apskaičiuokite arccos⁡ (−32)\arccos\ \left(-\frac{\sqrt[]{3}}{2}\right)  

−30°-30\degree  

−60°-60\degree  

−150°-150\degree  

30°30\degree  

150°150\degree  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apskaičiuolkite arctg⁡ (−33)ar\operatorname{ctg}\ \left(-\frac{\sqrt[]{3}}{3}\right)  

−150°-150\degree  

−60°-60\degree  

−30°-30\degree  

30°30\degree  

60°60\degree  

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