Қосу, айырма, қос бұрыш, дәреже төмендету
Authored by biology juz
Mathematics
11th Grade
Used 1+ times
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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(α + β) = ?
sinα·cosβ + cosα·sinβ
sinα·cosβ − cosα·sinβ
cosα·cosβ − sinα·sinβ
cosα·cosβ + sinα·sinβ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(α − β) = ?
sinα·cosβ − cosα·sinβ
sinα·cosβ + cosα·sinβ
cosα·cosβ − sinα·sinβ
cosα·cosβ + sinα·sinβ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(α + β) = ?
cosα·cosβ − sinα·sinβ
cosα·cosβ + sinα·sinβ
sinα·cosβ + cosα·sinβ
sinα·cosβ − cosα·sinβ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(α − β) = ?
cosα·cosβ + sinα·sinβ
cosα·cosβ − sinα·sinβ
sinα·cosβ − cosα·sinβ
sinα·cosβ + cosα·sinβ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg(α + β) = ?
(tgα + tgβ) / (1 − tgα·tgβ)
(tgα − tgβ) / (1 + tgα·tgβ)
(1 − tgα·tgβ) / (tgα + tgβ)
(1 + tgα·tgβ) / (tgα − tgβ)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg(α − β) = ?
(tgα − tgβ) / (1 + tgα·tgβ)
(tgα + tgβ) / (1 − tgα·tgβ)
(1 + tgα·tgβ) / (tgα − tgβ)
(1 − tgα·tgβ) / (tgα + tgβ)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ctg(α + β) = ?
(ctgα·ctgβ − 1) / (ctgβ + ctgα)
(1 − ctgα·ctgβ) / (ctgβ + ctgα)
(ctgα·ctgβ + 1) / (ctgβ − ctgα)
(1 + ctgα·ctgβ) / (ctgβ − ctgα)
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