Алгебра№5(9)-нұсқа

А)90°

В)120°

С)150°

D)210°

$$\frac{\sqrt[]{2}}{2}$$

$$-\frac{\sqrt[]{2}}{2}$$

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

$$-\frac{\sqrt[]{3}}{2}$$

$$\frac{\sqrt[]{2}}{2}$$

$$\frac{1}{2}$$

1

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

$$\frac{5\sqrt[]{11}}{5}$$

$$\frac{\sqrt[]{11}}{6}$$

$$\frac{\sqrt[]{11}}{5}$$

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

АОЕ

ВОF

AOB

FOD

$$\frac{\pi}{4}+2\pi n;\frac{3\pi}{4}+2\pi n;\ n\in Z$$

$$-\frac{\pi}{4}+2\pi n;\ -\frac{3\pi}{4}+2\pi n;\ n\in Z$$

$$\frac{\pi}{4}+\pi n;\ \frac{5\pi}{4}+\pi n;\ n\in Z$$

$$\frac{\pi}{6}+2\pi n;\ \frac{5\pi}{6}+2\pi n;\ n\in Z$$

7π/15

7π/15

11π/18

7π/18

cos(α) $$\angle$$ 0,

sin(β) $$<$$ 0

cos(α) $$>$$ 0,

sin(β) $$<$$ 0

cos(α) $$\angle$$ 0,

sin(β) $$>$$ 0

cos(α) $$>$$ 0,

sin(β) $$>$$ 0

1-С;2-В;3-А

1-А;2-В;3-С

1-В;2-С;3-А

1-В;2-А;3-С

$$P_6^{ },\ A_{27}^2,\ C_{38}^2$$

$$C_{38}^2,\ _{ }P_6,\ A_{27}^2$$

$$C_{38}^2,\ P_6,A_{27}^2$$

$$A_{27}^2,\ C_{38}^2,\ _{ }P_6$$