Rumus Trigonometri

Rumus Trigonometri

11th Grade

10 Qs

quiz-placeholder

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Rumus Trigonometri

Rumus Trigonometri

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Endang Tri

Used 13+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 sin 2a =...\sin\ 2a\ =...  

 2 sin a sin b2\ \sin\ a\ \sin\ b  

 2 sin a cos a2\ \sin\ a\ \cos\ a  

 2 sin a cos b2\ \sin\ a\ \cos\ b  

 2 sin a sin a2\ \sin\ a\ \sin\ a  

 sina cosa\sin a\ \cos a  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos2asin2a =...\cos^2a-\sin^2a\ =...  

 11  

 sin 2a\sin\ 2a  

 cos 2a\cos\ 2a  

 cos2a\cos^2a  

 sin2\sin^2  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1tan2a2tan a=...\frac{1-\tan^2a}{2\tan\ a}=...  

 tan a\tan\ a  

 tan 2a\tan\ 2a  

 tan 2a-\tan\ 2a  

 2 tana2\ \tan a  

 2tana-2\tan a  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1cos2a=1-\cos^2a=  

 sin2a\sin2a  

 sin2a -\sin2a\   

 cos 2a\cos\ 2a  

 cos2a-\cos2a  

 2 cos 2a2\ \cos\ 2a  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2cosa sinb=2\cos a\ \sin b=  

 sin(a+b)sin (ab)\sin\left(a+b\right)-\sin\ \left(a-b\right)  

 sin(ab)+cos (a+b)\sin\left(a-b\right)+\cos\ \left(a+b\right)  

 cos(a+b)+sin (ab)\cos\left(a+b\right)+\sin\ \left(a-b\right)  

 cos(a+b)sin(ab)\cos\left(a+b\right)-\sin\left(a-b\right)  

 sin(a+b)+sin(ab)\sin\left(a+b\right)+\sin\left(a-b\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos(a+b)+cos(ab)2=\frac{\cos\left(a+b\right)+\cos\left(a-b\right)}{2}=  

 2 sina sin b2\ \sin a\ \sin\ b  

 2 cos a cos b2\ \cos\ a\ \cos\ b  

 sin a sin b\sin\ a\ \sin\ b  

 cosa cosb\cos a\ \cos b  

 cosa sinb\cos a\ \sin b  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 sin 32αsin 12α\sin\ \frac{3}{2}\alpha\cdot\sin\ \frac{1}{2}\alpha  

 12(cos 2α+cosα)\frac{1}{2}\left(\cos\ 2\alpha+\cos\alpha\right)  

 12(cos 2α+cosα)-\frac{1}{2}\left(\cos\ 2\alpha+\cos\alpha\right)  

 12(sin 2α+cosα)\frac{1}{2}\left(\sin\ 2\alpha+\cos\alpha\right)  

 12(sin 2α+cosα)-\frac{1}{2}\left(\sin\ 2\alpha+\cos\alpha\right)  

 12(cos 2α+sinα)-\frac{1}{2}\left(\cos\ 2\alpha+\sin\alpha\right)  

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