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Trigonometri

Authored by Nur Fitriawati

Mathematics

9th - 12th Grade

Trigonometri
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6 questions

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1.

OPEN ENDED QUESTION

5 mins • 5 pts

Tentukan nilai sin a dan cot a, jika diketahui cos a = 3/5 !

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2.

FILL IN THE BLANK QUESTION

30 sec • 10 pts

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

himpunan penyelesaian dari  sinx=12\sin x=-\frac{1}{2}  untuk  0°x360°0\degree\le x\le360\degree  adalah ....

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

 {30°,150°}\left\{30\degree,150\degree\right\}  

 {210°,330°}\left\{210\degree,330\degree\right\}  

 {120°,210°}\left\{120\degree,210\degree\right\}  

 {60°,120°}\left\{60\degree,120\degree\right\}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

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 • 5 pts

Jika tan  α\alpha   = tan  81081^0  untuk  900 <α <270090^{0\ }<\alpha\ <270^0  , nilai  α\alpha  adalah ...

 1710171^0  

 1830183^0  

 2610261^0  

 2630263^0  

 2910291^0  

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