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sp4rrow111
@sp4rrow111
July 2022
2
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найдите множество значений функции y = 3+4 cos(x+п/6)
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sedinalana
Verified answer
Y=3+4cos(x+π/6)
E(x)∈3+4*[-1;1]=3+[-4;4]=[-1;7]
1 votes
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tausinv
Verified answer
y = 3+4*cos(x+pi/6)
-1 <= cos(A) <= 1 A - любой имеющий смысл аргумент
-4 <= 4*cos(A) <= 4
-1 <= 3 + 4*cos(A) <= 7
-1 <= y <= 7
Ответ: [-1;7]
1 votes
Thanks 1
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Answers & Comments
Verified answer
Y=3+4cos(x+π/6)E(x)∈3+4*[-1;1]=3+[-4;4]=[-1;7]
Verified answer
y = 3+4*cos(x+pi/6)-1 <= cos(A) <= 1 A - любой имеющий смысл аргумент
-4 <= 4*cos(A) <= 4
-1 <= 3 + 4*cos(A) <= 7
-1 <= y <= 7
Ответ: [-1;7]