
Формулы суммы и разности углов

Quiz
•
Mathematics
•
6th Grade
•
Hard
Elena Zhidiaeva
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Тангенс суммы углов
Косинус суммы углов
Синус разности углов
Синус суммы углов
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая формула используется для нахождения разности углов для косинуса?
cos(A - B) = cosA / cosB + sinA / sinB
cos(A - B) = cosA * cosB - sinA * sinB
cos(A - B) = cosA - cosB + sinA - sinB
cos(A - B) = cosA * cosB + sinA * sinB
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая формула суммы углов применяется для тангенса?
tg(A - B) = (tgA - tgB) / (1 + tgA * tgB)
tg(A + B) = (tgA + tgB) / (1 - tgA * tgB)
tg(A + B) = (sinA + sinB) / (cosA + cosB)
tg(A + B) = (cosA + cosB) / (sinA + sinB)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая формула разности углов используется для котангенса?
ctg(A + B) = (ctgA * ctgB - 1) / (ctgB - cgtA)
ctg(A - B) = (ctgA * ctgB - 1) / (ctgB + ctgA)
ctg(A - B) = (ctgA * ctgB + 1) / (ctgB - ctgA)
ctg(A - B) = (ctgA - ctgB) / (ctgB - ctgA)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0
0,5
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая формула суммы углов применяется для косинуса?
cos(A - B) = cosA * cosB - sinA * sinB
cos(A - B) = cosA * cosB + sinA * sinB
cos(A + B) = cosA * cosB - sinA * sinB
cos(A + B) = cosA * cosB + sinA * sinB
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