
Формули додавання. Формули зведення
Authored by Olha Atamanchúk
Mathematics
10th Grade
Used 5+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
cos 7x
cos 3x
sin 7x
sin (-3x)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
0
cos 2x
sin 2x
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 cos 40o sin 40o = ...
cos 80o
cos 20o
sin 80o
sin 20o
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
tg 2x . cos 2x = ...
sin x
cos x
sin 2x
cos 2x
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
0
cos 2x
sin 2x
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
- cos 2x
- sin 2x
cos 2x
sin 2x
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
- cos 3x
cos x
sin 3x
- sin x
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