perkalian sinus dan cosinus

perkalian sinus dan cosinus

11th Grade

10 Qs

quiz-placeholder

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perkalian sinus dan cosinus

perkalian sinus dan cosinus

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

samosir Sangkot

Used 90+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

 2sinxcos3x=.....2\sin x\cos3x=.....  

 cos4xcos2x\cos4x-\cos2x  

 cos4x+cos2x\cos4x+\cos2x  

 sin4x+sin2x\sin4x+\sin2x  

 sin4xsin2x\sin4x-\sin2x  

 sin2xsin4x\sin2x-\sin4x  

2.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

 2cos(x+π4)sin(xπ4)2\cos\left(x+\frac{\pi}{4}\right)\sin\left(x-\frac{\pi}{4}\right)  = .....

 sin2x+122\sin2x+\frac{1}{2}\sqrt{2}  

 sin2x122\sin2x-\frac{1}{2}\sqrt{2}  

 cos2x+122\cos2x+\frac{1}{2}\sqrt{2}  

 sin2x1\sin2x-1  

 cos2x1\cos2x-1  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 nilai dari  2 sin 50o cos 40o + 2 cos 95o sin 85o = .....nilai\ dari\ \ 2\ \sin\ 50^o\ \cos\ 40^o\ +\ 2\ \cos\ 95^o\ \sin\ 85^o\ =\ ..... 

 1-1  

 12-\frac{1}{2}  

 12\frac{1}{2}  

 11  

 22  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Nilai dari 2 cos (45°+α).cos(45°α) adalah .............Nilai\ dari\ 2\ \cos\ \left(45\degree+\alpha\right).\cos\left(45\degree-\alpha\right)\ adalah\ .............  

 2 cos α2\ \cos\ \alpha  

 2 sin 2α2\ \sin\ 2\alpha  

 sin 2α\sin\ 2\alpha  

 cos 2α\cos\ 2\alpha  

 tan 2α\tan\ 2\alpha  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Bentuk lain dari  2 sin3a sin a  adalah .....

cos 4a - cos 2a

cos 2a - cos 4a

sin 4a - sin 2a

sin 4a + sin 2a

cos 4a + cos 2a

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan nilai dari 4 cos 450 sin 150

31\sqrt{3}-1

3+1\sqrt{3}+1

12(31)\frac{1}{2}\left(\sqrt{3}-1\right)

12(3+1)\frac{1}{2}\left(\sqrt{3}+1\right)

131-\sqrt{3}

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai dari 2 sin 1650 cos 150 = ...

-1

12-\frac{1}{2}

12\frac{1}{2}

123\frac{1}{2}\sqrt{3}

1

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