Quiz about Tugas 3 Trigonometri MIA

Question 1

Nilai dari $$\frac{5}{3}\pi$$ sama dengan... $$\degree$$

Accepted Answer

300

Answer

270

Answer

315

Answer

330

Answer

360

Question 2

Nilai dari $$225\degree$$ sama dengan... rad

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 3

Diketahui $$\Delta PQR$$ siku-siku di Q. Jika $$QR=\ 3\ cm$$ dan $$PR=2\ \sqrt[]{3}\ cm$$ , nilai dari $$ an\angle R$$ sama dengan...

Accepted Answer

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

Answer

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

Answer

$$\sqrt[]{3}$$

Answer

$$1$$

Answer

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

Question 4

Diketahui $$\sin\ \alpha=\frac{1}{2}\ \sqrt[]{3}$$ dan $$\alpha$$ adalah sudut lancip, nilai dari $$ an\ \alpha$$ adalah...

Accepted Answer

$$\sqrt[]{3}$$

Answer

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

Answer

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

Answer

$$1$$

Answer

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

Question 5

Jika $$ an\ \beta\ =\ a\ ,$$ maka nilai dari $$\sin\ \beta$$ dalam $$\alpha$$ adalah...

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Answer

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

Question 6

$$\sin\ 30\degree\ \cos\ 225\degree\ =\ ...$$

Accepted Answer

$$-\frac{1}{4}\ \sqrt[]{2}$$

Answer

$$-1$$

Answer

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

Answer

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

Answer

$$-\frac{1}{4}$$

Question 7

$$\frac{\sin\ 150\degree\ an\ 135\degree\ \cos\ 45\degree}{\cos\ 300\degree\ \sin\ 225\degree\ an\ 30\degree}=...$$

Accepted Answer

$$\sqrt[]{3}$$

Answer

$$-2$$

Answer

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

Answer

$$-1$$

Answer

$$2$$

Question 8

Diketahui $$\sin\ A=\frac{3}{5}$$ dan $$\sin\ B=\frac{7}{25}$$ dimana sudut A dan B adalah sudut lancip. Nilai dari $$\cos\ A\ .\ \cos\ B-\sin\ A\ .\ Sin\ B\ $$ sama dengan...

Accepted Answer

$$\frac{75}{125}$$

Answer

$$\frac{117}{125}$$

Answer

$$\frac{96}{125}$$

Answer

$$\frac{50}{125}$$

Answer

$$\frac{21}{125}$$

Question 9

Diketahui $$ an\ A=-\frac{6}{8}$$ dimana A adalah sudut tumpul (Kuadran II). Nilai dari $$\cos^2A-2\ \sin A\ \cos\ A$$ adalah...

Accepted Answer

$$\frac{160}{100}$$

Answer

$$\frac{64}{100}$$

Answer

$$\frac{96}{100}$$

Answer

$$\frac{125}{100}$$

Answer

$$\frac{145}{100}$$

Question 10

$$\cos\ \left(-610\degree\right)$$ ekuivalen dengan. . .

Accepted Answer

$$-\cos\ 70\degree$$

Answer

$$\cos\ 70\degree$$

Answer

$$\cos\ 50\degree$$

Answer

$$-\cos\ 40\degree$$

Answer

$$-\cos\ 50\degree$$

Question 11

Bentuk sederhana dari $$\frac{1-\cos^2A}{ an^2A}$$ sama dengan . . .

Accepted Answer

$$1-\sin^2A$$

Answer

$$\cos\ A$$

Answer

$$1-\cos^2A$$

Answer

$$\sin A$$

Answer

$$	an^2A$$

Question 12

Bentuk ekuivalen $$\cos\ A\ \left(\sec\ A- an\ A ight)\ $$ adalah...

Accepted Answer

$$1-\sin\ A$$

Answer

$$1\ - an\ A$$

Answer

$$1-\sec\ A$$

Answer

$$1-\cos\ A$$

Answer

$$1-\csc\ A$$

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