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TRIGONOMETRI KELAS XI MIPA

Authored by Ratna Sari 72

Mathematics

12th Grade

Used 71+ times

TRIGONOMETRI KELAS XI MIPA
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tentukan penyelesaian persamaan  2 sin x  2=02\ \sin\ x\ -\ \sqrt{2}=0  untuk  0 x2π0\ \le x\le2\pi  

 3π4 atau 5π4\frac{3\pi}{4}\ atau\ \frac{5\pi}{4}  

 π6 atau 5π6\frac{\pi}{6}\ atau\ \frac{5\pi}{6}  

 π4 atau 3π4\frac{\pi}{4}\ atau\ \frac{3\pi}{4}  

 5π6 atau 7π6\frac{5\pi}{6}\ atau\ \frac{7\pi}{6}  

 π4 atau 3π4-\frac{\pi}{4}\ atau\ \frac{3\pi}{4}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  \  Tentukan Penyelesaian Persamaan  2 cos (x20)° +1=02\ \cos\ \left(x-20\right)\degree\ +1=0   untuk  0°x360°0\degree\le x\le360\degree  

 {130°,240°}\left\{130\degree,240\degree\right\}  

 {150°,270°}\left\{150\degree,270\degree\right\}  

 {120°,260°}\left\{120\degree,260\degree\right\}  

 {140°,240°}\left\{140\degree,240\degree\right\}  

 {140°,260°}\left\{140\degree,260\degree\right\}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

himpunan penyelesaian dari  \tan2x=\frac{1}{3}\sqrt{3}  untuk  0°x270°0\degree\le x\le270\degree  adalah ....

 {15°}\left\{15\degree\right\}  

 {15°,30°}\left\{15\degree,30\degree\right\}  

 {15°,105°}\left\{15\degree,105\degree\right\}  

 {15°,75°,105°}\left\{15\degree,75\degree,105\degree\right\}  

 {15°,105°,195°}\left\{15\degree,105\degree,195\degree\right\}  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Nilai x yang memenuhi persamaan 2sin2x3sinx+1=02\sin^2x-3\sin x+1=0   untuk  0°x360°0\degree\le x\le360\degree   adalah ...

 30°30\degree  

 90°90\degree  

 150°150\degree  

 270°270\degree  

 360°360\degree  

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

   2\ \ 2   cos2 x13cosx+6=0\cos^2\ x-13\cos x+6=0  , Nilai x = ...  (0°x360°)\left(0\degree\le x\le360\degree\right)  

 30°30\degree  

 60°60\degree  

 150°150\degree  

 240°240\degree  

 300°300\degree  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

jika 6cos2x+sinx5=06\cos^2x+\sin x-5=0   dan x berada pada  90°<x<90°-90\degree<x<90\degree , maka nilai cos x sama dengan ...

 123 dan 232\frac{1}{2}\sqrt{3}\ dan\ \frac{2}{3}\sqrt{2}  

 123 dan 232-\frac{1}{2}\sqrt{3}\ dan\ \frac{2}{3}\sqrt{2}  

 123 dan 232\frac{1}{2}\sqrt{3}\ dan\ -\frac{2}{3}\sqrt{2}  

 132 dan 233-\frac{1}{3}\sqrt{2}\ dan\ -\frac{2}{3}\sqrt{3}  

 133dan 233\frac{1}{3}\sqrt{3}dan\ \frac{2}{3}\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai dari

 2(sin80°.cos70+cos80°.sin70°)=......2\left(\sin80\degree.\cos70+\cos80\degree.\sin70\degree\right)=......  

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

 11  

 32\frac{3}{2}  

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