Ответ:{3π/2;7π/2}∈[0;4π]
Объяснение:sinx=-1⇔ x=-π/2+2πn,n∈Z
n=1,x=3π/2
n=2,x=7π/2
n=3,x=11π/2∉[0;4π]
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Ответ:{3π/2;7π/2}∈[0;4π]
Объяснение:sinx=-1⇔ x=-π/2+2πn,n∈Z
n=1,x=3π/2
n=2,x=7π/2
n=3,x=11π/2∉[0;4π]