
Синус, косинус и тангенс кута от 0 до 180 градусов
Authored by Анастасія Олександрівна
Mathematics
9th Grade
CCSS covered
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin (90° - α) =
cos α
sin α
- cos α
- sin α
Tags
CCSS.HSG.SRT.C.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos (90° - α) =
cos α
sin α
- sin α
- cos α
Tags
CCSS.HSG.SRT.C.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin (180° - α) =
sin α
- sin a
cos α
- cos α
Tags
CCSS.HSG.SRT.C.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos (180° - α) =
- sin a
- cos α
cos α
sin α
Tags
CCSS.HSG.SRT.C.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вкажите основную тригонометрическую тождественность
sin² α - cos² α = 1
sin α + cos α = 1
sin α - cos α = 1
sin² α + cos² α = 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg (180° - α) =
- ctg α
tg α
ctg α
- tg α
Tags
CCSS.HSG.SRT.C.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos 120° =
1
½
- ½
-1
Tags
CCSS.HSF.TF.A.2
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