ÔN TẬP GTLG - CTLG

ÔN TẬP GTLG - CTLG

11th Grade

22 Qs

quiz-placeholder

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ÔN TẬP GTLG - CTLG

ÔN TẬP GTLG - CTLG

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

Created by

Hiếu Trọng

Used 1+ times

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Mệnh đề nào sau đây ĐÚNG?

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Công thức nào sau đây SAI?


cosa+cosb=2.cosa+b2.cosab2\cos a+\cos b=2.\cos\frac{a+b}{2}.\cos\frac{a-b}{2}

cosacosb=2.sina+b2.sinab2\cos a-\cos b=-2.\sin\frac{a+b}{2}.\sin\frac{a-b}{2}

sinasinb=2.cosa+b2.sinab2\sin a-\sin b=-2.\cos\frac{a+b}{2}.\sin\frac{a-b}{2}

sina+sinb=2.sina+b2.cosab2\sin a+\sin b=2.\sin\frac{a+b}{2}.\cos\frac{a-b}{2}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mệnh đề nào sau đây ĐÚNG?

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Chọn đẳng thức đúng ?

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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