
ТРИГОНОМЕТРИЯ🎀
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Easy
Аделя Жумабай
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Негізгі тригонометриялық тепе-теңдік
sin²α + cos²α = 0
sin²α + cos²α = 1
sin²α - cos²α = 1
sin²α + cos²α = 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Негізгі тригонометриялық тепе-теңдік
tgα = 1 / sinα
tgα = 1 / cosα
tgα = sinα / cosα
tgα = cosα / sinα
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Негізгі тригонометриялық тепе-теңдік
ctgα = 1 / sinα
ctgα = cosα / sinα
ctgα = 1 / cosα
ctgα = sinα / cosα
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қос бұрыш
sin(2α) = sinα + cosα
sin(2α) = 2·sinα·cosα
sin(2α) = sin²α + cos²α
sin(2α) = 2·cosα·tgα
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қос бұрыш
cos(2α) = 2·cosα·sinα
cos(2α) = 1 - sin²α
cos(2α) = cos²α - sin²α
cos(2α) = cos²α + sin²α
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дәреженің төмендеуі
sin²(α/2) = (1 + cosα) / 2
sin²(α/2) = 1 - cosα
sin²(α/2) = (1 - cosα) / 2
sin²(α/2) = cosα / 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дәреженің төмендеуі
cos²(α/2) = (1 + cosα) / 2
cos²(α/2) = sinα / 2
cos²(α/2) = (1 - cosα) / 2
cos²(α/2) = 1 - sinα
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