Quiz about 10 сынып Алгебра 2 тоқсан ТЖБ1

Question 1

$$\arcsin\left(\frac{\sqrt{3}}{2}\right)-\operatorname{arcctg}\left(\sqrt{3}\right)=?$$

Accepted Answer

$$\frac{\pi}{6}$$

Answer

$$\frac{\pi}{2}$$

Answer

0

Answer

$$\frac{2\pi}{3}$$

Question 2

$$\arcsin\left(-\ \frac{1}{2}\right)=$$

Accepted Answer

$$-\frac{\pi}{6}$$

Answer

$$-\frac{\pi}{3}$$

Answer

$$\frac{\pi}{6}$$

Answer

$$\frac{\pi}{2}$$

Answer

$$\pm\frac{\pi}{6}$$

Question 3

$$\arccos\ \frac{1}{2}=$$

Accepted Answer

$$\frac{\pi}{3}$$

Answer

$$\frac{\pi}{6}$$

Answer

$$\frac{\pi}{4}$$

Answer

$$\frac{\pi}{2}$$

Answer

$$\frac{2\pi}{3}$$

Question 4

$$\arccos\left(-\ \frac{1}{2}\right)=$$

Accepted Answer

$$\frac{2\pi}{3}$$

Answer

$$\frac{\pi}{3}$$

Answer

$$\frac{\pi}{6}$$

Answer

$$\pm\frac{\pi}{3}$$

Answer

$$-\frac{\pi}{3}$$

Question 5

$$\arccos\left(-\ \frac{\sqrt[]{3}}{2}\right)=$$

Accepted Answer

$$\frac{5\pi}{6}$$

Answer

$$-\frac{\pi}{6}$$

Answer

$$\frac{2\pi}{3}$$

Answer

$$\pm\frac{5\pi}{6}$$

Answer

$$-\frac{5\pi}{6}$$

Question 6

$$\arccos\frac{\sqrt[]{3}}{2}=$$

Accepted Answer

$$\frac{\pi}{6}$$

Answer

$$-\frac{\pi}{6}$$

Answer

$$\frac{\pi}{3}$$

Answer

$$\pm\frac{\pi}{6}$$

Answer

$$\frac{5\pi}{6}$$

Question 7

$$\arcsin\frac{\sqrt[]{3}}{2}=$$

Accepted Answer

$$\frac{\pi}{3}$$

Answer

$$-\frac{\pi}{6}$$

Answer

$$\frac{\pi}{6}$$

Answer

$$\pm\frac{\pi}{3}$$

Answer

$$\frac{5\pi}{6}$$

Question 8

$$\arcsin1=$$

Accepted Answer

$$\frac{\pi}{2}$$

Answer

$$-\frac{\pi}{2}$$

Answer

$$0$$

Answer

$$\pi$$

Answer

$$1$$

Question 9

$$\arcsin\left(-1\right)=$$

Accepted Answer

$$-\frac{\pi}{2}$$

Answer

$$\frac{\pi}{2}$$

Answer

$$0$$

Answer

$$\pi$$

Answer

$$-1$$

Question 10

$$\arccos\left(-1\right)=$$

Accepted Answer

$$\pi$$

Answer

$$-\frac{\pi}{2}$$

Answer

$$\frac{\pi}{2}$$

Answer

$$0$$

Answer

$$-1$$

Question 11

$$\arccos1=$$

Accepted Answer

$$0$$

Answer

$$-\frac{\pi}{2}$$

Answer

$$\frac{\pi}{2}$$

Answer

$$\pi$$

Answer

$$-1$$

Question 12

$$\arccos0=$$

Accepted Answer

$$\frac{\pi}{2}$$

Answer

$$-\frac{\pi}{2}$$

Answer

$$0$$

Answer

$$\pi$$

Answer

$$1$$

Question 13

$$\arccos\left(-\beta\right)=$$

Accepted Answer

$$\pi-\arccos\beta$$

Answer

$$-\arccos\beta$$

Answer

$$\arccos\beta$$

Answer

$$\pi+\arccos\beta$$

Question 14

$$\cos x>0$$

Accepted Answer

$$\left(-\frac{\pi}{2}+2\pi n;\frac{\pi}{2}+2\pi n\right),n\in z$$

Answer

$$\left(-\pi+2\pi n;\pi+2\pi n\right),n\in z$$

Answer

$$\left(-\pi+\pi n;\pi+\pi n\right),n\in z$$

Answer

$$\left(\frac{\pi}{2}+2\pi n;\frac{3\pi}{2}+2\pi n\right),n\in z$$

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