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Review trigonometry

Authored by Маржан Смагулова

Mathematics

9th Grade

Used 2+ times

Review trigonometry
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Specify the values ​​of the expression sin 60º

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1

0

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Simplify the expresson

cos a

-cos a

sin a

tan a

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Find the value of the expression

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0

1

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4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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Simplify the expression:

cos130

sin130

sin65

cos65

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Simplify the expression: sin 5х cos 3х + sin 3х cos 5х

sin 2x

cos 2x

sin 8x 

cos 8x 

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Find the exact value of: cos 18ºcos 12º - sin 18ºsin 12º

1

-1

0.5

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7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Find the exact value of: cos 107º cos 17º + sin 107º sin 17º

-1

0

0.5

1

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