
Тригонометрические уравнения
Authored by Оксана Єрьоменко
Mathematics
10th Grade
Used 20+ times

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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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