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Persamaan Trigonometri - 1

Authored by Iszira Agustina

Mathematics

11th Grade

Persamaan Trigonometri - 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 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\}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian dari  sin(x+23π)=sin(14π)\sin⁡(x+\frac{2}{3}π)=\sin⁡\left(\frac{1}{4}π\right)  untuk  0°x2π0°≤x≤2π  adalah . . .

 {1112π,2312π}\left\{\frac{11}{12}π,\frac{23}{12}π\right\}  

 {1112π,1912π}\left\{\frac{11}{12}π,\frac{19}{12}π\right\}  

 {112π,2312π}\left\{\frac{1}{12}π,\frac{23}{12}π\right\}  

 {112π,1712π}\left\{\frac{1}{12}π,\frac{17}{12}π\right\}  

 {112π,1912π}\left\{\frac{1}{12}π,\frac{19}{12}π\right\}  

3.

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\}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian persamaan tan x = tan  15°15^{\degree}  pada interval  0°x360°0^{\degree}\le x\le360^{\degree}  adalah...

 15°15^{\degree}  dan  165°165^{\degree}  

 15°15^{\degree}  dan  195°195^{\degree}  

 15°15^{\degree}  dan  215°215^{\degree}  

 15°15^{\degree}  dan  245°245^{\degree}  

 15°15^{\degree}  dan  265°265^{\degree}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 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\}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

nilai x yang memenuhi persamaan   3+23sin x = 0 \ 3+2\sqrt{3}\sin\ x\ =\ 0\   untuk  0x2π0\le x\le2\pi  adalah...

 4π3atau 5π3\frac{4\pi}{3}atau\ \frac{5\pi}{3}  

 4π3atau 5π3-\frac{4\pi}{3}atau\ \frac{5\pi}{3}  

 4π3atau 5π3\frac{4\pi}{3}atau\ -\frac{5\pi}{3}  

 4π3atau 5π3-\frac{4\pi}{3}atau\ -\frac{5\pi}{3}  

 2π3atau 5π3\frac{2\pi}{3}atau\ \frac{5\pi}{3}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai x yang memenuhi persamaan  2 tan x +3= tan x2\ \tan\ x\ +\sqrt{3}=-\ \tan\ x  untuk  0 x2π0\ \le x\le2\pi  adalah...

 π6dan 2π3\frac{\pi}{6}dan\ \frac{2\pi}{3}  

 5π6dan 11π6\frac{5\pi}{6}dan\ \frac{11\pi}{6}  

 2π3dan 11π6\frac{2\pi}{3}dan\ \frac{11\pi}{6}  

 5π6dan 7π6\frac{5\pi}{6}dan\ \frac{7\pi}{6}  

 π3 dan 7π6 \frac{\pi}{3}\ dan\ \frac{7\pi}{6}\   

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