
GIÁ TRỊ LG
Authored by Thu Mai
Mathematics
10th Grade
Used 5+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Khẳng định nào sau đây đúng?
cot(90°-α) = - tanα
cos(90° - α) = sinα
sin(90° - α) = - cosα
tan(90° - α) = - cotα
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Khẳng định nào sau đây đúng?
cot(90°-α) = - tanα
cos(90° - α) = - sinα
sin(90° - α) = cosα
tan(90° - α) = - cotα
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Khẳng định nào sau đây đúng?
cot(90°-α) = tanα
cos(90° - α) = - sinα
sin(90° - α) = - cosα
tan(90° - α) = - cotα
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Khẳng định nào sau đây đúng?
cot(180°-α) = cotα
cos(180° - α) = cosα
sin(180° - α) = - sinα
tan(180° - α) = - tanα
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Khẳng định nào sau đây đúng?
cot(180°-α) = cotα
cos(180° - α) = cosα
sin(180° - α) = sinα
tan(180° - α) = tanα
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0
1
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1
-1
0
không xác định
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