công thức lượng giác
Authored by Tuấn Nguyễn
Mathematics
11th Grade
Used 1+ times
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48 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 + tan bình x
1 / cos bình x
1 + cot bình x
1 / sin bình x
sin bình x / cos bình x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 + cot bình x
1 + tan bình x
1 / cos bình x
1 / sin bình x
cos bình x / sin bình x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos x ( x != ??? )
x != pi/2
x != pi
x != pi/3
x != pi/6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin x (x != ???)
x != k*pi
x != pi/2
x != pi/3
x != pi/6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos (-a)
-sin a
-cot a
-tan a
cos a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin (-a)
-sin a
cos a
cos (-a)
sin (a + (pi/2))
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan (-a)
cos a
sin (-a)
-tan a
cot a
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