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TRIGONOMETRI II

Authored by Matematika SMADUTA

Mathematics

10th Grade

Used 6+ times

TRIGONOMETRI II
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui sin A =  1213\frac{12}{13}  , maka cos 2A = .... 

 160169-\frac{160}{169}  

 119169-\frac{119}{169}  

 25169-\frac{25}{169}  

 25169\frac{25}{169}  

 119169\frac{119}{169}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Nilai dari  cos 105°\cos\ 105\degree   adalah ....

 14(26)\frac{1}{4}\left(\sqrt{2}-\sqrt{6}\right)  

 14(26)-\frac{1}{4}\left(\sqrt{2}-\sqrt{6}\right)  

 14(2+6)-\frac{1}{4}\left(\sqrt{2}+\sqrt{6}\right)  

 14(2+6)\frac{1}{4}\left(\sqrt{2}+\sqrt{6}\right)  

 14(26)\frac{1}{4}\left(2-\sqrt{6}\right)  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  sin 240° = ....\sin\ 240\degree\ =\ ....  

 12\frac{1}{2}  

 123-\frac{1}{2}\sqrt{3}  

 12-\frac{1}{2}  

 123\frac{1}{2}\sqrt{3}  

 122\frac{1}{2}\sqrt{2}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cotan α ×sin α= ....\operatorname{cotan}\ \alpha\ \times\sin\ \alpha=\ ....  

 sin α\sin\ \alpha  

 cosα\cos\alpha  

 sinαcosα\frac{\sin\alpha}{\cos\alpha}  

 cosαsinα\frac{\cos\alpha}{\sin\alpha}  

 sin2α\sin^2\alpha  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika diketahui  cosθ=45\cos\theta=-\frac{4}{5}  untuk  90°θ180°90\degree\le\theta\le180\degree  maka  sin θ\sin\ \theta  = ....

 34\frac{3}{4}  

 45\frac{4}{5}  

 35\frac{3}{5}  

 35-\frac{3}{5}  

 45-\frac{4}{5}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Nilai dari sin 1020°\sin\ 1020\degree  adalah ....

 1-1  

 123-\frac{1}{2}\sqrt{3}  

 12-\frac{1}{2}  

 12\frac{1}{2}  

 123\frac{1}{2}\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bentuk  sin x cos xtan x\frac{\sin\ x\ \cos\ x}{\tan\ x}  ekuivalen dengan ....

 sin2x\sin^2x  

 sin x\sin\ x  

 cos x\cos\ x  

 cos2x\cos^2x  

 1sin x\frac{1}{\sin\ x}  

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