Kiểm tra công thức lượng giác lần 1
Authored by Hai Nguyen
Mathematics
11th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2sinx.cosx
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sina+sinb=
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos2a=
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos2a+cos4a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos2a.cos4a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(a+b)=
cosa.cosb-sina.sinb
cosa.cosb+sina.sinb
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(a+b).cos(a+b)
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