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10th Grade

31 Qs

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Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Medium

Created by

Буренков Іван

Used 2+ times

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31 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin13°cos17° + cos13°sin17° = ?

0

12\frac{1}{2}

22\frac{\sqrt{2}}{2}

32\frac{\sqrt{3}}{2}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 cos4π9cos5π9sin4π9sin5π9=?\cos\frac{4\pi}{9}\cos\frac{5\pi}{9}-\sin\frac{4\pi}{9}\sin\frac{5\pi}{9}=?  

 12\frac{1}{2}  

0

-1

1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 tg10°+tg35°1tg10°tg35°\frac{tg10\degree+tg35\degree}{1-tg10\degree\cdot tg35\degree}  

1

0

 3\sqrt{3}  

не існує

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 cos9π20cosπ5+sin9π20sinπ5=?\cos\frac{9\pi}{20}\cos\frac{\pi}{5}+\sin\frac{9\pi}{20}\sin\frac{\pi}{5}=?  

 12\frac{1}{2}  

1

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin3α cos4α - cos3α sin4α =

sinα

-sinα

sin7α

-sin7α

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos(π+α)=

cosα
-cosα
sinα
-sinα

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos140cos310-sin140sin310=

1

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