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Latihan 1 Trigonometri Dasar

Authored by Ningsih Utami

Mathematics

10th Grade

Latihan 1 Trigonometri Dasar
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14 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sebuah  \Delta ABC siku-siku di B. Jika panjang AB = 6 cm dan BC = 8 cm, maka nilai  sin A\sin\ A  adalah ....

 35\frac{3}{5}  

 34\frac{3}{4}  

 45\frac{4}{5}  

 43\frac{4}{3}  

 53\frac{5}{3}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jika  sinβ=0,6\sin\beta=0,6  dan  β\beta  lancip, maka nilai  tanβ\tan\beta  adalah ....

 310\frac{3}{10}  

 25\frac{2}{5}  

 12\frac{1}{2}  

 1320\frac{13}{20}  

 34\frac{3}{4}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Nilai dari  cosα\cos\alpha  pada segitiga ABC adalah....

 513\frac{5}{13}  

 1315\frac{13}{15}  

 1213\frac{12}{13}  

 135\frac{13}{5}  

 125\frac{12}{5}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 Dari  gambar  jika  cosθ=23, maka  x=....\text{Dari}\ \ \text{gambar}\ \ \text{jika}\ \ \cos\theta=\frac{2}{3},\ \text{maka}\ \ x=....  

 353\sqrt{5}  

 454\sqrt{5}  

 555\sqrt{5}  

 656\sqrt{5}  

 757\sqrt{5}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 cosα=   ....\cos\alpha=\ \ \ ....  

1

 3\sqrt{3}  

 123\frac{1}{2}\sqrt{3}  

 12\frac{1}{2}  

 133\frac{1}{3}\sqrt{3}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Dari gambar, pernyataan yang tidak benar adalah ....

sinα=BCAB\sin\alpha=\frac{BC}{AB}

sinβ=ACAB\sin\beta=\frac{AC}{AB}

cosα=ACAB\cos\alpha=\frac{AC}{AB}

cosβ=BCAC\cos\beta=\frac{BC}{AC}

tanα=BCAC\tan\alpha=\frac{BC}{AC}

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Dari gambar di atas, yang dimaksud sin  α\alpha  adalah ....

Media Image
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