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CÔNG THỨC LƯỢNG GIÁC TIẾT 1

Authored by Thơm Minh

Mathematics

11th Grade

Used 3+ times

CÔNG THỨC LƯỢNG GIÁC TIẾT 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Trong các công thức sau, công thức nào đúng?

sin(a-b)=sina.cosb-cosa.sinb

cos(a-b)=cosa.cosb-sina.sinb

sin(a+b)=sina.cosb+cosa.sinb

cos(a+b)=cosa.cosb+sina.sinb

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Mệnh đề nào sau đây đúng?

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3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Chọn khẳng định sai trong các khẳng định sau:

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4.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

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16/65

-18/65

18/65

-16/65

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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Chọn kết quả đúng?

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6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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sin2a

cos2a

-1/2

1/2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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