
9 В Қорытынды тест
Authored by Айгерім Сүннен
Education
9th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
sinx қай ширектерде оң таңбалы?
I, IV
І, ІІ
ІІ, ІІІ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos71cos11+sin71sin11=
-1/2
1
1/2
-1
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
sin105=
sin(60+45)
sin(60-45)
sin(90+25)
cos45
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
sin(pi-a)
-cosa
cosa
-sina
sina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sinxcosy+cosxsiny
sin(x-y)
sin(x+y)
sin(y-x)
-sin(y-x)
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
cos(a+b)+cos(a-b)
2cosacosb
-2cosacosb
2sinasinb
-2sinasinb
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