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RUMUS JUMLAH DAN SELISIH SINUS DAN COSINUS

Authored by Primateana Ayu

Mathematics, Fun

11th - 12th Grade

CCSS covered

Used 98+ times

RUMUS JUMLAH DAN SELISIH SINUS DAN COSINUS
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21 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Nilai  sin 2x cos 3x +cos 2x sin 3x\sin\ 2x\ \cos\ 3x\ +\cos\ 2x\ \sin\ 3x  sama dengan nilai ...

 sin x\sin\ x  

 sin 5x\sin\ 5x  

 sin 7x\sin\ 7x  

 sin 3x\sin\ 3x  

 sin 6x\sin\ 6x  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Nilai  sin 3x\sin\ 3x  adalah ...

 sin 2x cos x +cos 2x sin x\sin\ 2x\ \cos\ x\ +\cos\ 2x\ \sin\ x  

 sin x cos 2x +cos x sin x\sin\ x\ \cos\ 2x\ +\cos\ x\ \sin\ x  

 sin 2x cos x cos 2x sin x\sin\ 2x\ \cos\ x\ -\cos\ 2x\ \sin\ x  

 sin x cos 2xcos x sin x\sin\ x\ \cos\ 2x-\cos\ x\ \sin\ x  

 3 sin x3\ \sin\ x  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui  (A+B)=π3\left(A+B\right)=\frac{\pi}{3}  dan  sin A sin B =14\sin\ A\ \sin\ B\ =\frac{1}{4}  . Nilai dari  cos (AB)\cos\ \left(A-B\right)  adalah ...

 1-1  

 12-\frac{1}{2}  

 12\frac{1}{2}  

 34\frac{3}{4}  

 11  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jika  tan A=13\tan\ A=\frac{1}{3}  maka nilai  tan(π4A)tan(π4+A)\frac{\tan\left(\frac{\pi}{4}-A\right)}{\tan\left(\frac{\pi}{4}+A\right)}  adalah ...

 11  

 34\frac{3}{4}  

 23\frac{2}{3}  

 13\frac{1}{3}  

 14\frac{1}{4}  

5.

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)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui  sinx=35\sin x=\frac{3}{5}  dengan sudut x adalah lancip. Nilai dari  sin2x\sin2x  adalah...

 2524\frac{25}{24}  

 2524-\frac{25}{24}  

 2425-\frac{24}{25}  

 725\frac{7}{25}  

 2425\frac{24}{25}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tan 60°+tan 30°1tan 60° tan 30°=...\frac{\tan\ 60\degree+\tan\ 30\degree}{1-\tan\ 60\degree\ \tan\ 30\degree}=...  

1

 3\sqrt{3}  

 133\frac{1}{3}\sqrt{3}  

 \infty  

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