Quiz about Trigonometri

Question 1

Perhatikan gambar berikut. Segitiga ABC siku-siku di C. Pernyataan berikut ini yang tidak tepat adalah...

Accepted Answer

$$\cos\beta=\frac{BC}{AC}$$

Answer

$$\sin\alpha=\frac{BC}{AB}$$

Answer

$$\sin\beta=\frac{AC}{AB}$$

Answer

$$\cos\alpha=\frac{AC}{AB}$$

Answer

$$ an\alpha=\frac{BC}{AC}$$

Question 2

Perhatikan gambar berikut. Nilai dari $$ an\alpha$$ adalah...

Accepted Answer

$$\frac{12}{5}$$

Answer

$$\frac{5}{12}$$

Answer

$$\frac{5}{13}$$

Answer

$$\frac{12}{13}$$

Answer

$$\frac{13}{5}$$

Question 3

Perhatikan gambar berikut. Nilai dari $$\cos P$$ adalah...

Accepted Answer

$$\frac{1}{\sqrt{5}}$$

Answer

$$\frac{1}{\sqrt{3}}$$

Answer

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

Answer

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

Answer

$$\frac{2}{\sqrt{5}}$$

Question 4

Nilai dari $$\sin\frac{2}{3}\pi$$ dan $$\cos\frac{2}{3}\pi$$ berturut-turut adalah...

Accepted Answer

$$\frac{1}{2}\sqrt{3}$$ dan $$-\frac{1}{2}$$

Answer

$$-\frac{1}{2}$$ dan $$\frac{1}{2}\sqrt{3}$$

Answer

$$-\frac{1}{2}\sqrt{3}$$ dan $$\frac{1}{2}$$

Answer

$$\frac{1}{2}$$ dan $$-\frac{1}{2}\sqrt{3}$$

Answer

$$\frac{1}{2}\sqrt{2}$$ dan $$-\frac{1}{2}\sqrt{2}$$

Question 5

Nilai dari $$ an\frac{5}{4}\pi$$ adalah...

Accepted Answer

Answer

$$\sqrt{3}$$

Answer

$$-\sqrt{3}$$

Answer

$$-\frac{1}{3}\sqrt{3}$$

Answer

$$\frac{1}{3}\sqrt{3}$$

Question 6

Jika cos A = $$\frac{3}{5}$$ maka sin A = ...

Accepted Answer

$$\frac{4}{5}$$

Answer

$$\frac{3}{4}$$

Answer

$$\frac{5}{4}$$

Answer

$$\frac{5}{3}$$

Answer

$$\frac{4}{3}$$

Question 7

Jika sin B = $$\frac{12}{13}$$ maka cos B = ...

Accepted Answer

$$\frac{5}{13}$$

Answer

$$\frac{5}{12}$$

Answer

$$\frac{12}{13}$$

Answer

$$\frac{13}{5}$$

Answer

$$\frac{12}{5}$$

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