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тест тригонометрия

Authored by Adil Ashirov

Mathematics

9th Grade

тест тригонометрия
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Негізгі тригонометриялық тепе - теңдікті көрсетіңдер:

sinx+cosx=1\sin x+\cos x=1

sin2x+cos2x=1\sin^2x+\cos^2x=1

sin2x+cos2y=1\sin^2x+\cos^2y=1

sin2xcos2x=1\sin^2x-\cos^2x=1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tgx=?

cosxsinx\frac{\cos x}{\sin x}

1+1cos2x1+\frac{1}{\cos^2x}

sinxcosx\frac{\sin x}{\cos x}

1+cosx1+\cos x

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Қосындының косинусын көрсет:

 cos(a+b)\cos\left(a+b\right)  

cosacosb+sinasinb

cosasinb-cosbsina

cosasina+cosbsinb

cosacosb-sinasinb

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Айырымның синусын көрсет: sin(a-b)=?

sinacosb-sinbcosa

sinacosb+sinbcosa

cosacosb-sinbsina

cosacosb+sinbsina

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tg(πa)=?tg\left(\pi-a\right)=?  

ctga

tga

-tga

-ctga

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(3π2+a)\sin\left(\frac{3\pi}{2}+a\right)  = ?

cosa

sina

-sina

-cosa

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Қосындының тангенсі:

 tg(a+b)=?tg\left(a+b\right)=?  

 tga+tgb1tgatgb\frac{tga+tgb}{1-tgatgb}  

 tgatgb1+tgatgb\frac{tga-tgb}{1+tgatgb}  

 1tgatgbtga+gb\frac{1-tgatgb}{tga+gb}  

 1+tgatgbtgatgb\frac{1+tgatgb}{tga-tgb}  

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