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Тригонометрические уравнения

Authored by Оксана Єрьоменко

Mathematics

10th Grade

Used 20+ times

Тригонометрические уравнения
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24 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Упростите выражение
1+sin2x-cos2x

1+cos2x
2sin2x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Вычислите sin120⁰

√3/3
√3/2
√3
-√3/3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Упростите выражение
сos2x⋅ tg2x+sin2x ⋅ ctg2x

-1
2
0
1

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

arcctg(-a) равен:

arcctg(π-a)
arctg(π-а)
-arcctg(а)
-arcctg(-а)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Укажите в какой четверти лежит угол -80о:

в первой
в четвертой
в третьей 
во второй

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Определите градусную меру угла 5П/6

135о
120о
50о
150о

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какой знак имеет sin48?

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