Тригонометричні ріівняння 1
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium

Валентина Шаповал
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'язати рівняння:
sin x = 0,2
x = arcsin π + 2πk, k ϵ Z;
x = (-1)narcsin 0,2 + πk, k ϵ Z;
x = arcsin 0,2 + 2πk, k ϵ Z
x = arcsin 0,2 + πk, k ϵ Z
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
x = (-1)n+1 π/3 + πk, k ϵ Z;
x = arcsin (- √3/2) + 2πk, k ϵ Z;
x = - π/3 + 2πk, k ϵ Z
x = - π/3 + πk, k ϵ Z
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'язати рівняння:
sin x = 0
x = arcsin π + 2πk, k ϵ Z;
x = arcsin 0 + 2πk, k ϵ Z;
x = arcsin 0 + πk, k ϵ Z
x = πk, k ϵ Z
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'язати рівняння:
cos x = 0,3
∅
x = arccos 0,3 + 2πk, k ϵ Z
x = π + 2πk, k ϵ Z;
x = arccos 0,3 + 2πk, k ϵ Z;
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'язати рівняння:
cos x = 0
x = arccos 0 + 2πk, k ϵ Z
∅
x = π/2 + πk, k ϵ Z;
x = arccos 0 + πk, k ϵ Z;
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'язати рівняння:
cos x = 1,2
x = arccos 1,2 + 2πk, k ϵ Z
∅
x = π/2 + πk, k ϵ Z;
x = arccos 1,2 + πk, k ϵ Z;
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Розв'язати рівняння:
cos x = - 1
x = arccos 1 + 2πk, k ϵ Z
∅
x = π + 2πk, k ϵ Z;
x = π + πk, k ϵ Z;
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