Тригонометрия: Қосу формулалары
Authored by Zarina Zhansagimova
Mathematics
9th Grade
Used 9+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(a + b) формуласы неден тұрады?
sin(a + b) = sin(a)cos(b) + cos(a)sin(b)
sin(a + b) = sin(a) + sin(b)
sin(a + b) = cos(a)cos(b) - sin(a)sin(b)
sin(a + b) = sin(a) + cos(b)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(a + b) формуласы қалай жазылады?
cos(a + b) = cos(a) - sin(b)
cos(a + b) = cos(a)cos(b) - sin(a)sin(b)
cos(a + b) = sin(a)sin(b) + cos(a)cos(b)
cos(a + b) = cos(a + b) + sin(a + b)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan(a + b) формуласының шығаруын көрсетіңіз.
tan(a + b) = (tan(a) + tan(b)) / (1 - tan(a)tan(b))
tan(a + b) = (tan(a) - tan(b)) / (1 + tan(a)tan(b))
tan(a + b) = tan(a)tan(b)
tan(a + b) = tan(a) - tan(b)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(90° + x) = ?
cos(x)
tg(x)
sin(x)
ctg(x)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(180° - x) = ?
cos(x)
sin(180° - x)
tan(x)
-cos(x)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan(45° + x) = ?
(1 + tan x) / (1 - tan x)
tan(90° + x)
tan(45° - x)
tan(45°) + tan(x)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(a - b) формуласы неден тұрады?
sin(a - b) = sin(a)cos(b) - cos(a)sin(b)
sin(a - b) = sin(a) - cos(b)
sin(a - b) = sin(a) + sin(b)
sin(a - b) = cos(a)cos(b) + sin(a)sin(b)
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