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công thức lượng giác

Authored by Tuấn Nguyễn

Mathematics

11th Grade

Used 1+ times

công thức lượng giác
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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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