
Тест по тригонометрии
Authored by Суйгецу Хозуки
Mathematics
9th Grade
Used 36+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
сos (х + у) =
cos х cos у + sin х sin у;
cos х cos у - sin х sin у;
cos х sin у - sin х cos у;
cos х sin у + sin х cos у;
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin 5х cos 3х + sin 3х cos 5х;
sin 2x
cos 2x
sin 8x
cos 8x
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
cos 18 cos 12 - sin 18 sin 12
-1
0,5
0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
cos 107 cos 17 + sin 107 sin 17
0
1
-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin 17 cos 13 + sin 13 cos 17
-1
0
-0,5
0,5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
cos(α + β), если α = 42, β = 18
-0,5
0
0,5
-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sin 4х cos 2х - sin 2х cos 4х;
sin 2x
cos 2x
sin 6x
cos 6x
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