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Matematika Peminatan kelas XI semester ganjil

Authored by samosir Sangkot

Mathematics

11th Grade

Used 45+ times

Matematika Peminatan kelas XI semester ganjil
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25 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai dari sin  79°79\degree  cos  11°11\degree  + cos  79°79\degree  sin  11°11\degree  adalah...

0

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 cos 2x = 40°\cos\ 2x\ =\ 40\degree  Tentukan himpunan penyelesaian persamaan tersebut, untuk interval  0°x360°0\degree\le x\le360\degree  

 10° dan 300°10\degree\ dan\ 300\degree  

 10° dan 340°10\degree\ dan\ 340\degree  

 20° dan 300°20\degree\ dan\ 300\degree  

 20° dan 340°20\degree\ dan\ 340\degree  

 20° dan 360°20\degree\ dan\ 360\degree  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Diketahui  sin (A+B)=34\sin\ \left(A+B\right)=\frac{3}{4}  dan  sin(AB)=12\sin\left(A-B\right)=\frac{1}{2}  . Hitunglah sin A cos B...

 54\frac{5}{4}  

 34\frac{3}{4}  

 58\frac{5}{8}  

0

 12\frac{1}{2}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai  sin 75°=...\sin\ 75\degree=...  

 12(6+2)\frac{1}{2}\left(\sqrt{6}+\sqrt{2}\right)  

 12(62)\frac{1}{2}\left(\sqrt{6}-\sqrt{2}\right)  

 14(6+2)\frac{1}{4}\left(\sqrt{6}+\sqrt{2}\right)  

 14(62)\frac{1}{4}\left(\sqrt{6}-\sqrt{2}\right)  

 18(6+2)\frac{1}{8}\left(\sqrt{6}+\sqrt{2}\right)  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui  sin A=35\sin\ A=\frac{3}{5}  dan  tan B=17\tan\ B=\frac{1}{7}  (A dan B sudut lancip). Nilai cos (A+B) adalah...

0

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nyatakanlah dalam bentuk jumlah atau selisih 2 cos 80°80\degree sin 50°50\degree  ...

 cos 130°+12\cos\ 130\degree+\frac{1}{2}  

 cos 130°12\cos\ 130\degree-\frac{1}{2}  

 sin 130°+12\sin\ 130\degree+\frac{1}{2}  

 sin 130°12\sin\ 130\degree-\frac{1}{2}  

 sin 130°+2\sin\ 130\degree+2  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 cos195°+cos105°=...\cos195\degree+\cos105\degree=...  


 123-\frac{1}{2}\sqrt{3}  

 125-\frac{1}{2}\sqrt{5}  

 126-\frac{1}{2}\sqrt{6}  

 127-\frac{1}{2}\sqrt{7}  

 128-\frac{1}{2}\sqrt{8}  

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