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gorat976
@gorat976
July 2022
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Найдите корни уравнения cos (п(х-7))/3=1/2 Как такое решать?
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sedinalana
Verified answer
Cos(π(x-7))/3=1/2
π(x-7)/3=-π/3+2πk U π(x-7)/3=π/3+2πk
x-7=-1+6k U x-7=1+6k
x=6+6k U x=8+6k,k∈z
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Answers & Comments
Verified answer
Cos(π(x-7))/3=1/2π(x-7)/3=-π/3+2πk U π(x-7)/3=π/3+2πk
x-7=-1+6k U x-7=1+6k
x=6+6k U x=8+6k,k∈z