
Тригонометрические уравнения и неравенства
Authored by Kombazamen Kombazamen
Mathematics
10th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение: sin(x) = 0.5 в интервале от 0 до 2π.
π/4, 3π/4
2π/3, 4π/3
π/6, 5π/6
π/3, 2π/3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найдите все решения уравнения: cos(2x) = sin(x) в интервале от 0 до 2π.
x = 3π/2, π/6
x = 2π/3, 4π/3
x = 5π/4, 7π/6
x = π/4, 5π/6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите неравенство: 2cos(x) > √3 в интервале от 0 до π.
0 < x < π/3 or 4π/3 < x < 2π
0 < x < π/2 or 3π/2 < x < 2π
0 < x < π/6 or 11π/6 < x < 2π
0 < x < π/4 or 5π/4 < x < 2π
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Используя обратные тригонометрические функции, найдите все решения уравнения: arccos(x) = π/4.
x = tan(π/4) = 1
x = sin(π/4) = √2/2
x = cos(π/4) = √2/2
x = sec(π/4) = √2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение: sin2(x) - sin(x) + 1 = 0 в интервале от 0 до 2π.
x = 2π/3, 4π/3
x = π/3, 5π/3
x = π/2, 3π/2
x = π/4, 3π/4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Используя тригонометрические идентичности, найдите все решения уравнения: tan(x) + cot(x) = 2 в интервале от 0 до π.
No solution
Two solutions
Infinite solutions
One solution
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите неравенство: 4cos(2x) ≤ 3 в интервале от 0 до π.
x ≤ π/6 or x ≥ π/2
x ≤ 0 or x ≥ π
0 ≤ x ≤ π/3 or 2π/3 ≤ x ≤ π
x ≤ π/4 or x ≥ π/2
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