sinx∈[-1;1]
sin(3x)∈[-1,1]
2sin(3x)∈[-2;2]
2sin(3x)-1/2∈[-2,5;1,5]
Ответ:
A) 1,5
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sinx∈[-1;1]
sin(3x)∈[-1,1]
2sin(3x)∈[-2;2]
2sin(3x)-1/2∈[-2,5;1,5]
Ответ:
A) 1,5