Решите уравнение ctg^2x/2=3. Created by Valeriabear1. algebra-ru

2=3...

July 2022 1 11 Report

Решите уравнение ctg^2x/2=3

mikael2

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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