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Persamaan Trigonometri

Authored by Muzayyin Ahmad

Mathematics

11th Grade

Used 1K+ times

Persamaan Trigonometri
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Penyelesaian dari cos x =  123-\frac{1}{2}\sqrt{3}  dengan  0°x360°0\degree\le x\le360\degree  adalah ....

 x=30°, 150°x=30\degree,\ 150\degree  

 x=120°, 210°x=120\degree,\ 210\degree  

 x=150°, 210°x=150\degree,\ 210\degree  

 x=150°, 300°x=150\degree,\ 300\degree  

 x=150°, 330°x=150\degree,\ 330\degree  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Penyelesaian dari persamaan tanx=133\tan x=\frac{1}{3}\sqrt{3}  untuk  0x3π0\le x\le3\pi  adalah ....

 x=π6,π3,7π6,4π6x=\frac{\pi}{6},\frac{\pi}{3},\frac{7\pi}{6},\frac{4\pi}{6}  

 x=π6,5π6,7π6x=\frac{\pi}{6},\frac{5\pi}{6},\frac{7\pi}{6}  

 x=π3,4π3x=\frac{\pi}{3},\frac{4\pi}{3}  

 x=π6,5π6,13π6x=\frac{\pi}{6},\frac{5\pi}{6},\frac{13\pi}{6}  

 x=π6,7π6,13π6x=\frac{\pi}{6},\frac{7\pi}{6},\frac{13\pi}{6}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian dari  tan(x45°)=tan30°\tan⁡(x-45°)=\tan⁡30°  untuk   0°x360°0°≤x≤360°  adalah . . .

 {25°,105°}\left\{25°,105°\right\}  

 {75°,225°}\left\{75°,225°\right\}  

 {25°,305°}\left\{25°,305°\right\}  

 {75°,105°}\left\{75°,105°\right\}  

 {75°,205°}\left\{75°,205°\right\}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Penyelesaian dari persamaan 2sin2xsinx1=02\sin^2x-\sin x-1=0   untuk  180°x360°180\degree\le x\le360\degree  adalah ...

 150°150\degree  dan  180°180\degree  

 180°180\degree  dan  210°210\degree  

 210°210\degree  dan 330°330\degree  

 240°240\degree  dan  270°270\degree  

 300°300\degree  dan 330°330\degree  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian dari  tan(x+25°)=tan50°\tan⁡(x+25°)=\tan⁡50°  untuk   0°x360°0°≤x≤360°  adalah . . .

 {25°,105°}\left\{25°,105°\right\}  

 {25°,205°}\left\{25°,205°\right\}  

 {25°,305°}\left\{25°,305°\right\}  

 {75°,105°}\left\{75°,105°\right\}  

 {75°,205°}\left\{75°,205°\right\}  

6.

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}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Penyelesaian persamaan  sin x=122 \sin\ x=\frac{1}{2}\sqrt{2\ }  untuk  0°x360°0\degree\le x\le360\degree  adalah . . .

 x=45°, 135°x=45\degree,\ 135\degree  

 x=45°, 225°x=45\degree,\ 225\degree  

 x=45°, 315°x=45\degree,\ 315\degree  

 x=135°, 225°x=135\degree,\ 225\degree  

 x=225°, 315°x=225\degree,\ 315\degree  

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