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PERSAMAAN TRIGONOMETRI

Authored by Giri Karjo

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11th Grade

PERSAMAAN TRIGONOMETRI
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian persamaan 2 cos 2(x + 75o) = √3 dengan 0 ≤ x ≤ 180o adalah … .

{45o, 60o}

{30o, 45o}

{90o, 120o}

{60o, 150o}

{30o, 45o}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian dari persamaan tg x - √3 = 0, untuk 0 ≤ x ≤ 360 adalah … .

{ 60 }

{ 60, 120 }

{ 120, 180 }

{ 60, 240 }

{ 240, 300 }

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Untuk 0 ≤ x ≤ 360 himpunan penyelesaian dari persamaan √2 Sin x - 1 = 0 adalah … .

{ 45 }

{ 45, 120 }

{ 45, 135 }

{ 45, 120, 150}

{ 45, 120, 180}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai x  yang memenuhi persamaan    sin x= 123\sin\ x=\ \frac{1}{2}\sqrt{3}  untuk  00x  36000^0\le x\ \le\ 360^0  adalah ... . 

{60∘,120∘}

{30∘,120∘}

{30∘,150∘}

{45∘,135∘}

{60∘,120∘,240∘}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Himpunan penyelesaian persamaan 2 cos (xπ3)=32\ \cos\ \left(x-\frac{\pi}{3}\right)=\sqrt{3} untuk 0≤ x ≤2π

 {π6,π2}\left\{\frac{\pi}{6},\frac{\pi}{2}\right\}  

 {π6,π3}\left\{\frac{\pi}{6},\frac{\pi}{3}\right\}  

 {π3,π2}\left\{\frac{\pi}{3},\frac{\pi}{2}\right\}  

 {π6,3π2}\left\{\frac{\pi}{6},\frac{3\pi}{2}\right\}  

 {π3,3π2}\left\{\frac{\pi}{3},\frac{3\pi}{2}\right\}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Himpunan penyelesaian dari persamaan 2 cos2x + 5sinx - 4 = 0 untuk 0≤ x ≤ 360 adalah ... .

{ 30∘,150}

{ 30, 3000}

{ 60∘,150}

{ 60, 3000}

{ 150, 3000}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai x yang  memenuhi persamaan   tan2x = 133\tan2x\ =\ \frac{1}{3}\sqrt{3}  untuk  00  x  27000^0\ \le\ x\ \le\ 270^0  adalah ⋯

 {150,1050, 1950}\left\{15^0,105^0,\ 195^0\right\}   

 [150,750,1050]\left[15^0,75^0,105^0\right]  

 {150,450,750}\left\{15^0,45^0,75^0\right\}  

 {450,3150}\left\{45^0,315^0\right\}  

 {600, 3000}\left\{60^0,\ 300^0\right\}  

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