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PERBANDINGAN TRIGONOMETRI PADA SEGITIGA SIKU-SIKU

Authored by Pande Gede Subiksa Brahma Randra

Mathematics

10th Grade

PERBANDINGAN TRIGONOMETRI PADA SEGITIGA SIKU-SIKU
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9 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Perhatikan gambar segitiga berikut!

Segitiga ABC siku-siku di C. Pernyataan berikut ini benar, kecuali ⋯⋅⋯⋅

Sin α =BCABSin\ \alpha\ =\frac{BC}{AB}

Sin β =ACABSin\ \beta\ =\frac{AC}{AB}

Cos α =ACABCos\ \alpha\ =\frac{AC}{AB}

Cos β=BCACCos\ \beta=\frac{BC}{AC}

Tan α =BCACTan\ \alpha\ =\frac{BC}{AC}

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Perhatikan gambar berikut!

Nilai cos⁡ α adalah ⋯

1

3\sqrt{3}

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

12\frac{1}{2}

133\frac{1}{3}\sqrt{3}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Panjang AC pada segitiga ABC di atas adalah ....

20

17

19

21

18

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Nilai dari sin  β\beta  adalah...

 1215\frac{12}{15}  

 915\frac{9}{15}  

 1512\frac{15}{12}  

 159\frac{15}{9}  

 912\frac{9}{12}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Nilai dari tan  β\beta  adalah...

 1215\frac{12}{15}  

 915\frac{9}{15}  

 1512\frac{15}{12}  

 129\frac{12}{9}  

 159\frac{15}{9}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Nilai dari cos α\alpha  adalah...

 1215\frac{12}{15}  

 915\frac{9}{15}  

 1512\frac{15}{12}  

 129\frac{12}{9}  

 159\frac{15}{9}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Nilai dari sin  θ\theta  adalah...

 2029\frac{20}{29}  

 2129\frac{21}{29}  

 2921\frac{29}{21}  

 2920\frac{29}{20}  

 2021\frac{20}{21}  

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