3 kl Kontrolinis darbas. Trigonometrinės lygtys.

3 kl Kontrolinis darbas. Trigonometrinės lygtys.

11th Grade

17 Qs

quiz-placeholder

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3 kl Kontrolinis darbas. Trigonometrinės lygtys.

3 kl Kontrolinis darbas. Trigonometrinės lygtys.

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Aiste Ignataviciene

Used 7+ times

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apskaičiuokite  arcsin(32)\arcsin\left(\frac{\sqrt{3}}{2}\right)  

 π3\frac{\pi}{3}  

 π6\frac{\pi}{6}  

 12\frac{1}{2}  

 13\frac{1}{3}  

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Apskaičiuokite: arcsin(-1)+arccos(-1)

π2\frac{\pi}{2}

90°90^{\degree}

3π2\frac{3\pi}{2}

π3\frac{\pi}{3}

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Apskaičiuokite  arccos(32)\arccos\left(-\frac{\sqrt{3}}{2}\right)  

 5π3\frac{5\pi}{3}  

 5π6\frac{5\pi}{6}  

 π6\frac{\pi}{6}  

 π6\frac{-\pi}{6}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apskaičiuokite  arctg(π4)ar\operatorname{ctg}\left(\frac{\pi}{4}\right)  

1

 3\sqrt{3}  

 12\frac{1}{2}  

 33\frac{\sqrt{3}}{3}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apskaičiuokite  arcctg(3)\operatorname{arcctg}\left(-\sqrt{3}\right)  

 π6\frac{\pi}{6}  

 π6-\frac{\pi}{6}  

 5π6\frac{5\pi}{6}  

 5π3\frac{5\pi}{3}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Išspręskite lygtį:  sin(2x)=22\sin\left(2x\right)=\frac{\sqrt{2}}{2}  

 x=(1)kπ4+πk2x=\left(-1\right)^k\cdot\frac{\pi}{4}+\frac{\pi k}{2}  

 x=(1)kπ8+πk2x=\left(-1\right)^k\cdot\frac{\pi}{8}+\frac{\pi k}{2}  

 x=(1)kπ2+2πkx=\left(-1\right)^k\cdot\frac{\pi}{2}+2\pi k  

 x=(1)kπ6+πkx=\left(-1\right)^k\cdot\frac{\pi}{6}+\pi k  

7.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Išspręskite lygtį  2sinx=3-2\sin x=\sqrt{3}  

 x=(1)kπ6+πkx=-\left(-1\right)^k\cdot\frac{\pi}{6}+\pi k  

 x=(1)(k+1)π6+πkx=\left(-1\right)^{\left(k+1\right)}\cdot\frac{\pi}{6}+\pi k  

 x=(1)k(π3)+πkx=\left(-1\right)^k\cdot\left(-\frac{\pi}{3}\right)+\pi k  

 x=(1)k(π6)+πkx=\left(-1\right)^k\cdot\left(-\frac{\pi}{6}\right)+\pi k  

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