Quiz about Trigonometrija pravokutnog trokuta

Question 1

$$\sin\left(30°\right)=$$

Accepted Answer

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

Answer

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

Answer

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

Answer

1

Question 2

$$\cos\left(30°\right)=$$

Accepted Answer

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

Answer

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

Answer

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

Answer

1

Question 3

$$\operatorname{ctg}\left(30°\right)=$$

Accepted Answer

$$\sqrt[]{3}$$

Answer

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

Answer

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

Answer

1

Question 4

$$tg\left(45°\right)=$$

Accepted Answer

1

Answer

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

Answer

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

Answer

$$\sqrt[]{3}$$

Question 5

$$\sin\left(45°\right)=$$

Accepted Answer

$$\cos\left(45°\right)$$

Answer

$$\cos\left(30°\right)$$

Answer

$$tg\left(45°\right)$$

Answer

$$\operatorname{ctg}\left(60°\right)$$

Question 6

$$\cos\left(30°\right)=$$

Accepted Answer

$$\sin\left(60°\right)$$

Answer

$$\sin\left(30°\right)$$

Answer

$$\cos\left(45°\right)$$

Answer

$$\operatorname{ctg}\left(60°\right)$$

Question 7

$$tg\left(60°\right)=$$

Accepted Answer

$$\operatorname{ctg}\left(30°\right)$$

Answer

$$\sin\left(30°\right)$$

Answer

$$\cos\left(45°\right)$$

Answer

$$\operatorname{ctg}\left(60°\right)$$

Question 8

$$\operatorname{ctg}\left(45°\right)=$$

Accepted Answer

$$tg\left(45°\right)$$

Answer

$$\sin\left(30°\right)$$

Answer

$$tg\left(60°\right)$$

Answer

$$\operatorname{ctg}\left(30°\right)$$

Question 9

Ako je $$tg\alpha=\frac{3}{2}$$ , koliko je $$\operatorname{ctg}\alpha$$ ?

Accepted Answer

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

Answer

$$-\frac{3}{2}$$

Answer

$$-\frac{2}{3}$$

Answer

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

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