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JaJa12
@JaJa12
July 2022
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Пожалуйста, помогите: найдите значения x, при которых график функции y=sin(x/2-π/4)+√2/2 лежит ниже оси x.
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sedinalana
Sin(x/2-π/4)+√2/2<0
sin(x/2-π/4)<-√2/2
5π/4+2πk<x/2-π/4<7π/4+2πk
3π/2+2πk<x/2<2π+2πk
3π+4πk<x<4π+4πk,k∈z
x∈(3π+4πk;4π+4πk,k∈z)
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Answers & Comments
sin(x/2-π/4)<-√2/2
5π/4+2πk<x/2-π/4<7π/4+2πk
3π/2+2πk<x/2<2π+2πk
3π+4πk<x<4π+4πk,k∈z
x∈(3π+4πk;4π+4πk,k∈z)