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Тест по тригонометрии

Authored by Суйгецу Хозуки

Mathematics

9th Grade

Used 34+ times

Тест по тригонометрии
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

сos (х + у) =

cos х cos у + sin х sin у;

cos х cos у - sin х sin у;

cos х sin у - sin х cos у;

cos х sin у + sin х cos у;

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin 5х cos 3х + sin 3х cos 5х;

sin 2x

cos 2x

sin 8x

cos 8x

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos 18 cos 12 - sin 18 sin 12

-1

0,5

0

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos 107 cos 17 + sin 107 sin 17

0

1

-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin 17 cos 13 + sin 13 cos 17

-1

0

-0,5

0,5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos(α + β), если α = 42, β = 18

-0,5

0

0,5

-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

sin 4х cos 2х - sin 2х cos 4х;

sin 2x

cos 2x

sin 6x

cos 6x

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