тригонометрия формулалары
Authored by Бахыт Сейидова
Mathematics
9th Grade
Used 30+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(α+в)=
sin(α+в)=sinαcosв-cosαsinв
sin(α+в)=sinαcosв+cosαsinв
sin(α+в)=sinαcosa+cosαsina
sin(α+в)=sinαsinв+
cosacosв
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(α-в)=
sin(α-в)=sinacosв-cosasinв
sin(α-в)=
sinacosв+cosasinв
sin(α-в)=sinasinв-cosacosв
sin(α-в)= sinasinв+cosacosв
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(α+в)=
cos(α+в)=сosacosв+sinasinв
cos(α+в)=
сosacosв-sinasinв
cos(α+в)=
сosacosа-sinвsinв
cos(α-в)=
сosacosв-sinasinв
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(α-в)=
cos(α-в)=
cosasinв+sinacosв
cos(α-в)=
cosacosв-sinasinв
cos(α-в)=
cosacosв+sinasinв
cos(α-в)=
cosasinв+sinacosв
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin2α=
sin2α=sinвcosa
sin2α=2cosаsinв
sin2α=2sinаcosв
sin2α=2sinacosa
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos2 α=
cos2 α=
cos2 α-sin2 α
cos2 α=
cos2 α+sin2 α
cos2 α=
sin2 α-cos2 α
cos2 α=
sin2 α+cos2 α
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg2 α=
tg2 α=
2tga/1+tg2 α
tg2 α=
2tga/1-tg2 α
tg2 α=
1-tg2 α/2tgα
tg2 α=
1+tg2 α/2tgα
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