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Формулы тригонометрии

Authored by Алена Баланюк

Mathematics

9th Grade

Used 22+ times

Формулы тригонометрии
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin 2 x + cos 2x

-1

1

0

2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos (x+y)

cosx⋅cosy - sin x⋅ sin y

cos x ⋅ cos y + sin x ⋅ sin y

cos x⋅sin y - sin x⋅ cos y

cos x⋅sin y + sin x⋅ cos y

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos (x-y)

cos x⋅sin y - sin x⋅ cos y

cos x⋅sin y + sin x⋅ cos y

cos x⋅cos y + sin x⋅ sin y

cos x⋅cos y - sin x⋅ sin y

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin 2 α

sin 2α - cos 2α

2 sin 2α - 1

2 cos 2 α - 1

2 sin α cos α

5.

MULTIPLE SELECT QUESTION

30 sec • 3 pts

cos 2 α

1 - 2 sin 2α

2 cos 2α - 1

cos 2α - sin 2α

sin 2α - cos2α

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1 - sin 2α

cos 2α

cos 2α

2cos α

2cos2α

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tg α

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