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Өрлеу курс

Authored by Улбосын Рахметова

Mathematics

10th Grade

Used 2+ times

Өрлеу курс
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8 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

1-сұрақ 6 sin2 x + 5 cos x -7=0

A) +- п/3 + 2пк, к$Z

+- arc cos 1/3 + 2 пк, к$Z

B) +- п/6 + 2пк, к$Z

+- arc cos 1/6 + 2 пк, к$Z

C) +- п/3+ пк, к$Z

+- arc cos 1/3+пк,к$Z

D) +- п/6+ пк, к$Z

+- arc cos 1/6+ пк, к$Z

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

3-сұрақ

3 sin x + 4 cosx =5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

4- сұрақ

cos2 x= 1/2 (1-cosx )

x= +- п/3 + 2 пк, n$Z

x= п+2 пк, n$Z

x= +- 2п/3 + 2пк, n$Z

x= п+2 пк, n$Z

x= +- п/3 + пк, n$Z

x= п+ пк, n$Z

x= +- п/6 + 2 пк, n$Z

x= п+ пк, n$Z

Answer explanation

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

sin 6x + cos 6x = 1- 2 sin3x

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

6-сұрақ

tgx + ctg x =2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

7-сұрақ

1-sin x =sin2 (п/4 - x/2)

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