
Trigonometry Equations
Authored by Виктория Довгодько
Mathematics
10th Grade
CCSS covered
Used 4+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Каким методом решается уравнение вида: sin2x+cosx=0
Разложение на множители
Введение новой переменной
С помощью тригонометрических формул
Tags
CCSS.HSF.TF.B.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое действие нужно сделать для решения уравнения: sin^2x-2sinxcosx-3cos^2x=0
Разделить уравнение на sinx
Разделить уравнение на cos2x
Разделить уравнение на cosx
Tags
CCSS.HSF.TF.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение sin2x-cosx=0
π/2+πn, nϵZ; (-1)^k π/6+2πk, kϵZ;
π/2+πn, nϵZ; (-1)^k π/6+πk, kϵZ;
(-1)^n π/6+πn;
Tags
CCSS.HSF.TF.B.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Решите уравнение sinx+cosx=0
-π/4+πk, kϵZ
-π/4+2πk, kϵZ
π/4+πk, kϵZ
Tags
CCSS.HSF.TF.B.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Для решения уравнения 2cos^2x+5cosx=3 необходимо:
Разделить обе части уравнения на cosx
Выполнить замену переменной
Преобразовать с помощью тригонометрических формул
Tags
CCSS.HSA-REI.B.4B
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