
дз тригонометрия 2
Authored by Анара Булатовна
Mathematics
9th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
sin51 cos21 -cos51 sin21
-1
-0.5
0
0.5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
cos40 cos20 -sin40 sin20
-1
0.5
-0.5
0
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
cos78 cos18 + sin78 sin18+2,5
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
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