Quiz about LATIHAN PH TRIGONOMETRI KELAS 10

Question 1

Segitiga ABC siku-siku di C. Pertanyaan berikut ini benar, kecuali ...

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 2

Diketahui nilai dari $$\sin\beta=\frac{3}{4}$$ , tentukan nilai dari $$ an\ \beta$$ ...

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 3

sederhanakan bentuk $$\frac{ an60\degree}{\cot30\degree}$$ ...

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 4

Nilai $$\sin\ \alpha$$ pada gambar adalah ....

Accepted Answer

$$\frac{3}{13}\sqrt{13}$$

Answer

$$\frac{1}{13}\sqrt{13}$$

Answer

$$\frac{2}{13}\sqrt{13}$$

Answer

$$\frac{1}{3}\sqrt{13}$$

Answer

$$\frac{2}{3}\sqrt{13}$$

Question 5

Nilai $$ an\ 25^ox an65^o-\frac{\sin\ 25^o}{\cos\ 65^o}=....$$

Accepted Answer

0

Answer

-2

Answer

-1

Answer

1

Answer

2

Question 6

Perhatikan gambar di atas !

Jika panjang QR = 40 cm dan PR = 25 cm, panjang PS = ....

Accepted Answer

15 cm

Answer

9 cm

Answer

12 cm

Answer

18 cm

Answer

20 cm

Question 7

Nilai $$\cos\ 120^o+ an\ 315^o-\sin\ 210^o=....$$

Accepted Answer

-1

Answer

-2

Answer

0

Answer

1

Answer

2

Question 8

$$\cos\ 30^o\ =\ ....$$

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 9

Bentuk sederhana dari $$\frac{\sin\ x\ +\ an\ x}{1+\cos\ x}$$ adalah ....

Accepted Answer

$$	an\ x$$

Answer

$$\cos\ x$$

Answer

$$\sin\ x$$

Answer

$$\sec\ x$$

Answer

$$\operatorname{cotan}\ x$$

Question 10

Jika cos $$\beta$$ = $$-\frac{1}{2}$$ dan berada di kuadran II, maka tan = . . . .

Accepted Answer

undefined

Answer

0

Answer

undefined

Question 11

Diketahui cos $$ heta$$ = $$\frac{8}{10}$$ dengan $$ heta$$ lancip, maka sin $$ heta$$ =...

Accepted Answer

0,6

Answer

0,4

Answer

0,5

Answer

0,7

Answer

0,8

Question 12

Nilai dari sec $$\beta$$ adalah...

Accepted Answer

$$\frac{15}{9}$$

Answer

$$\frac{15}{12}$$

Answer

$$\frac{12}{15}$$

Answer

$$\frac{9}{12}$$

Answer

$$\frac{9}{15}$$

Question 13

Besar sudut tan D adalah ....

Accepted Answer

$$\frac{9}{12}$$

Answer

$$\frac{15}{9}$$

Answer

$$\frac{9}{15}$$

Answer

$$\frac{12}{15}$$

Question 14

Bentuk $$\frac{1}{\sin\ x}+\frac{1}{1-\sin\ x}$$

ekuivalen dengan ....

Accepted Answer

$$2\ \sec^2x$$

Answer

$$\sec^2x$$

Answer

$$\operatorname{cosec}^2x$$

Answer

$$2\sin^2x$$

Answer

$$2\ \operatorname{cosec}\ x$$

Question 15

Bentuk sederhana $$\frac{\sin\ \alpha}{1+\cos\alpha}+\frac{1+\cos\ \alpha}{\sin\alpha}\ $$
adalah ....

Accepted Answer

$$2\ \operatorname{cosec}\ \alpha$$

Answer

$$2\ \sin\alpha$$

Answer

$$2\cos\alpha$$

Answer

$$2\ an\ \alpha$$

Answer

$$2\sec\alpha$$

Question 16

Pernyataan berikut yang benar, adalah...

Accepted Answer

di kuadran IV nilai tan (-)

Answer

di kuadran I nilai cos (-)

Answer

di kuadran II nilai sin (-)

Answer

di kuadran III nilai cos (+)

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