Тригонометрические формулы
Authored by Сауле Бурбаева
Mathematics
9th Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Выберите верное утверждение:
cos(-x)=cos
sin(-x)=sinx
tg(-x)=tgx
ctg(-x)=ctgx
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Продолжи формулу sin x cos y+cos x sin y =
cos (x + y)
sin (x + y)
sin (x - y)
cos (x - y)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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