Quiz about Asesmen Trigonometri Dasar

Question 1

Besar sudut $$\frac{3}{4}\pi$$ rad sama dengan ...

Accepted Answer

$$135\degree$$

Answer

$$75\degree$$

Answer

$$105\degree$$

Answer

$$210\degree$$

Answer

$$270\degree$$

Question 2

Besar sudut $$72\degree$$ sama dengan ... rad

Accepted Answer

$$\frac{2}{5}\pi$$

Answer

$$\frac{1}{5}\pi$$

Answer

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

Answer

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

Answer

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

Question 3

Perhatikan gambar!

Nilai $$\cos\ \alpha=$$ ...

Accepted Answer

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

Answer

$$1$$

Answer

$$\sqrt[]{3}$$

Answer

$$\frac{1}{2}\sqrt[]{3}$$

Answer

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

Question 4

Diketahui koordinat titik $$A\left(-2\ \sqrt[]{2},\ -2\ \sqrt[]{2}\right)$$ . Koordinat kutub dari titik A adalah

Accepted Answer

$$\left(4,\ 225\degree\right)$$

Answer

$$\left(4,\ 210\degree\right)$$

Answer

$$\left(2,\ 225\degree\right)$$

Answer

$$\left(2,\ 240\degree\right)$$

Answer

$$\left(5,\ 240\degree\right)$$

Question 5

Perhatikan gambar!

Nilai $$\cos\ \alpha=$$

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 6

Jika $$ an\ A\ =\ \frac{12}{5}$$ dan A berada di $$180\degree<\alpha<270\degree$$ , maka nilai $$\sin\ A$$ adalah ... .

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 7

Diketahui $$ an\ A=-\frac{1}{3}$$ berada $$\frac{\pi}{2} . Maka nilai $$\sin A\ .\ \cos A$$ adalah ...

Accepted Answer

$$\frac{3}{10}$$

Answer

$$-\frac{1}{10}$$

Answer

$$-\frac{3}{10}$$

Answer

$$\frac{1}{10}$$

Answer

$$-\frac{3}{10}\ \sqrt[]{10}$$

Question 8

$$\frac{\cos45\degree\ .\ \cos30\degree+\sin45\degree\ .\ \sin60\degree}{ an30\degree\ .\ an60\degree}$$ senilai dengan ...

Accepted Answer

$$\frac{1}{2}\ \sqrt[]{6}$$

Answer

$$\frac{1}{4}\ \sqrt[]{3}$$

Answer

$$1$$

Answer

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

Answer

$$2$$

Question 9

Nilai $$\cos\ 120\degree$$ adalah ... .

Accepted Answer

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

Answer

$$\frac{1}{2}\ \sqrt[]{3}$$

Answer

$$-\frac{1}{2}\ \sqrt[]{3}$$

Answer

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

Answer

$$\frac{1}{2}\ \sqrt[]{2}$$

Question 10

Nilai $$\sec\ 240\degree$$ adalah ... .

Accepted Answer

$$-2$$

Answer

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

Answer

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

Answer

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

Answer

$$2$$

Question 11

Nilai dari $$\frac{\sin30\degree\ +\ \cos330\degree\ +\ \sin150\degree}{ an45\degree\ +\ \cos210\degree}$$ adalah ....

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Answer

$$\frac{1+2\ \sqrt[]{3}}{1-2\ \sqrt[]{3}}$$

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