jumlah dan selisih sinus cosinus

jumlah dan selisih sinus cosinus

11th Grade

20 Qs

quiz-placeholder

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jumlah dan selisih sinus cosinus

jumlah dan selisih sinus cosinus

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

Created by

Nisa Nurmila

Used 40+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui tan  α\alpha  = 125\frac{12}{5}  dan sin β\beta  = 45\frac{4}{5}  . Jika  α\alpha  dan  β\beta  terletak di kuadran I , nilai cos( αβ\alpha-\beta  )= ...

 35396\frac{35}{396}  

 3599\frac{35}{99}  

 3799\frac{37}{99}  

 5665\frac{56}{65}  

 6365\frac{63}{65}  

2.

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)  

3.

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}  

4.

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  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin 60° cos 30°cos 60° sin 30°=...\sin\ 60\degree\ \cos\ 30\degree-\cos\ 60\degree\ \sin\ 30\degree=...  

 123\frac{1}{2}\sqrt{3}  

1

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

6.

MULTIPLE CHOICE QUESTION

30 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  

7.

MULTIPLE CHOICE QUESTION

30 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  

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