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Persamaan Trigonometri 1

Authored by Ahmadi Susilo

Mathematics

Professional Development

Used 159+ times

Persamaan Trigonometri 1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai x yang memenuhi persamaan  tanx=tan50o\tan x=\tan50^o  adalah . . . 

 150o150^o   

 180o180^o   

 210o210^o   

 230o230^o   

 250o250^o   

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai x yang memenuhi persamaan  sin x = sin π5\sin\ x\ =\ \sin\ \frac{\pi}{5}  adalah . . .

 2π5\frac{2\pi}{5}  

 3π5\frac{3\pi}{5}  

 4π5\frac{4\pi}{5}  

 π2\frac{\pi}{2}  

 2π3\frac{2\pi}{3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai x yang memenuhi persamaan  tan x=tan 2π5\tan\ x=\tan\ \frac{2\pi}{5}  adalah . . .

 8π5\frac{8\pi}{5}  

 6π5\frac{6\pi}{5}  

 4π5\frac{4\pi}{5}  

 3π5\frac{3\pi}{5}  

 2π5\frac{2\pi}{5}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai x dalam selang  0ox360o0^o\le x\le360^o  yang memenuhi persamaan  cos x=122\cos\ x=\frac{1}{2}\sqrt{2}  adalah . . .

 45o45^o  dan  315o315^o  

 60o60^o  dan  300o300^o  

 30o30^o  dan  350o350^o  

 90o90^o  dan  270o270^o  

 180o180^o  dan  180o180^o  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian dari persamaan trigonometri  \cos\ x=-\frac{1}{2}  untuk  0x2π0\le x\le2\pi  adalah . . .

 {13π}\left\{\frac{1}{3}\pi\right\}  

 {16π}\left\{\frac{1}{6}\pi\right\}  

 {23π}\left\{\frac{2}{3}\pi\right\}  

 {23π, 43π}\left\{\frac{2}{3}\pi,\ \frac{4}{3}\pi\right\}  

 {43π}\left\{\frac{4}{3}\pi\right\}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui persamaan  \sqrt{2}.\cos\ x-1=0  untuk  0ox360o0^o\le x\le360^o . Himpunan penyelesaian persamaan tersebut adalah . . . 

 {45o, 135o}\left\{45^o,\ 135^o\right\}  

 {45o, 225o}\left\{45^o,\ 225^o\right\}  

 {45o, 315o}\left\{45^o,\ 315^o\right\}  

 {45o}\left\{45^o\right\}  

 {45o, 135o, 225o, 315o}\left\{45^o,\ 135^o,\ 225^o,\ 315^o\right\}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian dari persamaan  2\ .\sin\ x\ -\sqrt{2}=0  adalah . . .

 {45o}\left\{45^o\right\}  

 {135o}\left\{135^o\right\}  

 {45o, 135o}\left\{45^o,\ 135^o\right\}  

 {45o, 135o, 240o}\left\{45^o,\ 135^o,\ 240^o\right\}  

 {45o, 135o, 185o, 240o}\left\{45^o,\ 135^o,\ 185^o,\ 240^o\right\}  

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