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9-KL 3-SHEREK

Authored by Rashid Berdiniyazov

Mathematics

9th Grade

Used 1+ times

9-KL 3-SHEREK
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

cos1050+cos750=

3

2

1

0

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

sin(π-β)=      

-sinβ

-tgβ

sinβ

cosβ

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

2sin150cos150

1/2

1

0

-1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

cos2α-sin2α=   

cos2α

sin2α

1

2sinα

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

sin2α=

2sinαcosβ

2sinαcosα

2cosαsinβ

cos2α-sin2α

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

sin730cos170+cos730sin170=

3

2

1

0

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

cos(α+β)=

cosαcosβ-sinαsinβ

cosαcosβ+sinαsinβ  

sinαcosβ-cosαsinβ

sinαcosβ-cosαsinβ

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