
Тригонометрия
Authored by Айнагул Хайрова
Mathematics
9th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 cos 45 ctg 60 tg30-3sin 45
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1,5
-1,5
-1
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-cos2a+1-sin2a
-1
1
2
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(cos a-1)(cos a+1)
sin a
-sin2 a
cos a
cos2 a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1-cos a sin a ctg a
sin2 a
cos2 a
sin a
cos a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin b
cos b
ctg b
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos a
-1
0
1
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