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Evaluasi Matematika Peminatan: Jumlah dan Selisih Dua Sudut Sinus dan Cosinus

Authored by Jouli Sinolungan

Mathematics

10th - 12th Grade

Used 7+ times

Evaluasi Matematika Peminatan: Jumlah dan Selisih Dua Sudut Sinus dan Cosinus
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai dari  cos15°\cos15\degree  adalah ...

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

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

 14(26)\frac{1}{4}\left(-\sqrt{2}-\sqrt{6}\right)  

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

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diberikan dua buah sudut A dan B dengan nilai sinus masing-masing adalah  sinA=45\sin A=\frac{4}{5}  dan  sinB=1213\sin B=\frac{12}{13} . Sudut A dan sudut B adalah sudut lancip. Nilai dari  sin(AB)\sin\left(A-B\right)  adalah...

 5665\frac{56}{65}  

 5665-\frac{56}{65}  

 1665\frac{16}{65}  

 1665-\frac{16}{65}  

 6556\frac{65}{56}  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Nilai dari  cos165°\cos165\degree  adalah....

 2+64-\frac{\sqrt{2}+\sqrt{6}}{4}  

 264-\frac{\sqrt{2}-\sqrt{6}}{4}  

 2+64\frac{\sqrt{2}+\sqrt{6}}{4}  

 364\frac{\sqrt{3}-\sqrt{6}}{4}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 cos105°+cos15°=...\cos105\degree+\cos15\degree=...  

 12\frac{1}{2}  

 2\sqrt{2}  

1

 122\frac{1}{2}\sqrt{2}  

 122-\frac{1}{2}\sqrt{2}  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin75°cos15°cos75°sin15°=...\sin75\degree\cos15\degree-\cos75\degree\sin15\degree=...  

0

1

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin285°=...\sin285\degree=...  

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

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

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

 14(26)-\frac{1}{4}\left(\sqrt{2}-\sqrt{6}\right)  

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

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin 70°. cos40°cos 70°.sin40°=...\sin\ 70\degree.\ \cos40\degree-\cos\ 70\degree.\sin40\degree=...  

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

1

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