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Valeriabear1
@Valeriabear1
July 2022
1
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Решите уравнение ctg^2x/2=3
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mikael2
Verified answer
Ctg²(x/2)=3
ctg(x/2)=√3 x/2=π/6+πk x=π/3+2πk
ctg(x/2)=-√3 x/2=5π/6+πk x=5π/3+2πk
k∈Z
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Verified answer
Ctg²(x/2)=3ctg(x/2)=√3 x/2=π/6+πk x=π/3+2πk
ctg(x/2)=-√3 x/2=5π/6+πk x=5π/3+2πk
k∈Z