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9-кл.алгебра 4-чейрек

Authored by Aijan Aijan

Mathematics

9th Grade

Used 1+ times

9-кл.алгебра 4-чейрек
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

90° бурч радианда канчага барабар?

π

π/3

π/2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Бурчтун 180° градус менен радиандык чени канчага барабар?

π/2  

π

π/4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

. cos(α + β) формуласын көрсөтүңүз:

cosα + cosβ

cosαcosβ + sinαsinβ

sinαcosβ + cosαsinβ

cosαcosβ - sinαsinβ

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin(α - β) формуласы кайсыны туура берет?

sinαsinβ + cosαcosβ

sinαcosβ + cosαsinβ

sinαcosβ – cosαsinβ   

cosαcosβ - sinαsinβ

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Келтирүү формуласы боюнча sin(180° + α) канчага барабар?

sinα

–sinα

cosα

-cosα

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Келтирүү формуласы боюнча cos(90° - α) канчага барабар?

sinα   

–sinα

cosα

–cosα

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Каалаган бурчтун синусу үчүн төмөнкү кайсы формула туура?

sin(–α) = –sinα

sin(–α) = sinα

sin(α) = –cosα

sin(α) = cos(–α)

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