Quiz about Latihan - Perbandingan Trigonometri pada segitiga siku-siku

Question 1

Diketahui $$\cos\ \alpha=\frac{1}{2}$$ dan $$\alpha$$ sudut lancip. Carilah nilai perbandingan trigonometri $$\sin\alpha$$ ?

Accepted Answer

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

Answer

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

Answer

$$\sqrt[]{3}$$

Answer

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

Question 2

Diketahui $$\cos\ \alpha=\frac{1}{2}$$ dan $$\alpha$$ sudut lancip. Carilah nilai perbandingan trigonometri $$ an\alpha$$ ?

Accepted Answer

$$\sqrt[]{3}$$

Answer

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

Answer

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

Answer

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

Question 3

Perhatikan gambar segitiga siku-siku di samping. Nilai $$\operatorname{cosec}\ C$$ dari segitiga tersebut adalah

Accepted Answer

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

Answer

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

Answer

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

Answer

Jawaban tidaka ada pada pilihan

Question 4

Diketahui $$\Delta ABC$$ siku-siku di $$B$$ . Jika panjang $$AB=6\ cm$$ dan $$BC=12\ cm$$ . Maka nilai $$ an\ C$$ ...

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 5

Diketahui $$\Delta ABC$$ siku-siku di $$B$$ . Jika panjang $$AB=6\ cm$$ dan $$BC=12\ cm$$ . Maka nilai $$\sin A$$ ...

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 6

Nilai $$ an\ R$$ dari gambar di atas adalah

Accepted Answer

$$\frac{\sqrt[]{7}}{3}$$

Answer

$$\frac{3}{7}\sqrt[]{7}$$

Answer

$$\frac{\sqrt[]{7}}{4}$$

Answer

$$\frac{4}{7}\sqrt[]{7}$$

Question 7

Nilai $$\cos\ Q$$ dari gambar di atas adalah

Accepted Answer

$$\frac{\sqrt[]{7}}{4}$$

Answer

$$\frac{\sqrt[]{7}}{3}$$

Answer

$$\frac{3}{7}\sqrt[]{7}$$

Answer

$$\frac{4}{7}\sqrt[]{7}$$

Question 8

Nilai $$ an\ R imes\cos\ Q=...$$

Accepted Answer

$$\frac{7}{12}$$

Answer

$$\frac{12}{7}$$

Answer

$$\frac{49}{12}$$

Answer

$$\frac{12}{49}$$

Question 9

Diketahui $$\Delta\ KLM$$ siku-siku di L. Jika $$\cos\ K\ =\ \frac{1}{a}$$ maka nilai dari $$\sin\ K imes an\ K\ =...$$

Accepted Answer

$$\frac{a^2-1}{a}$$

Answer

$$\frac{a^2-1}{a^2+1}$$

Answer

$$\frac{a}{a^2+1}$$

Answer

$$\frac{a}{a^2+1}$$

Question 10

Diketahui $$\Delta\ KLM$$ siku-siku di L. Jika $$\cos\ K\ =\ \frac{1}{a}$$ maka nilai dari $$\sin\ M\ =...$$

Accepted Answer

$$\frac{1}{a}$$

Answer

$$\frac{1}{\sqrt[]{a^2-1}}$$

Answer

$$\sqrt[]{a^2-1}$$

Answer

$$\frac{a^2-1}{a}$$

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