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PERSAMAAN TRIGONOMETRI

Authored by Deli Yusmanida

Mathematics

11th Grade

Used 146+ times

PERSAMAAN TRIGONOMETRI
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 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

5 mins • 1 pt

Tentukan himpunan penyelesaian persamaan  2sin(x+15)° = 1\sqrt{2}\sin\left(x+15\right)\degree\ =\ 1  untuk  0°x360°0\degree\le x\le360\degree  

 30° atau 120°30\degree\ atau\ 120\degree  

 45° atau 135°45\degree\ atau\ 135\degree  

 60° atau 210°60\degree\ atau\ 210\degree  

 120° atau 240°120\degree\ atau\ 240\degree  

 45° atau 120°45\degree\ atau\ 120\degree  

3.

MULTIPLE CHOICE QUESTION

3 mins • 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  

4.

MULTIPLE CHOICE QUESTION

5 mins • 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\}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Tentukan Himpunan Penyelesaian persamaan  2 cos 12x 3=02\ \cos\ \frac{1}{2}x\ -\sqrt{3}=0  untuk  0°x360°0\degree\le x\le360\degree  

 120° atau 240°120\degree\ atau\ 240\degree  

 150° atau 330°150\degree\ atau\ 330\degree  

 60° atau 240°60\degree\ atau\ 240\degree  

 120° atau 210°120\degree\ atau\ 210\degree  

 150° atau 240°150\degree\ atau\ 240\degree  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Himpunan penyelesaian persamaan cos 2x = cos 60°60^{\degree}  pada interval  0°x360°0^{\degree}\le x\le360^{\degree}  adalah...

 {30°, 240°}\left\{30^{\degree},\ 240^{\degree}\right\}  

 {60°,240°}\left\{60^{\degree},240^{\degree}\right\}  

 {30°, 60°,210°}\left\{30^{\degree},\ 60^{\degree},210^{\degree}\right\}  

 {30°, 150°, 210°, 330°}\left\{30^{\degree},\ 150^{\degree},\ 210^{\degree},\ 330^{\degree}\right\}  

 {30°, 60°, 210°, 240°, 270°}\left\{30^{\degree},\ 60^{\degree},\ 210^{\degree},\ 240^{\degree},\ 270^{\degree}\right\}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  \   Himpunan penyelesaian dari   tanx=tan(35π)\tan⁡x=\tan⁡\left(\frac{3}{5}\pi\right)  untuk  0°x2π0°≤x≤2π  adalah  . . .

 {35π, 75π}\left\{\frac{3}{5}π,\ \frac{7}{5}π\right\}  

 {35π, 85π}\left\{\frac{3}{5}π,\ \frac{8}{5}π\right\}  

 {35π, 95π}\left\{\frac{3}{5}π,\ \frac{9}{5}π\right\}  

 {35π, 135π}\left\{\frac{3}{5}π,\ \frac{13}{5}π\right\}  

 {35π, 115π}\left\{\frac{3}{5}π,\ \frac{11}{5}π\right\}  

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