a)sinx=√3/2
x=(-1)ⁿarcsin(√3/2)+πn; n∈Z;
б) х+π/3=π+2πк; к∈Z;
х=2π/3+2πк; к∈Z;
в) 3х=arctg(-1/√3)+πк; к∈Z;
3х=-π/6+πк; к∈Z;
х=-π/18+πк/3; к∈Z;
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a)sinx=√3/2
x=(-1)ⁿarcsin(√3/2)+πn; n∈Z;
б) х+π/3=π+2πк; к∈Z;
х=2π/3+2πк; к∈Z;
в) 3х=arctg(-1/√3)+πк; к∈Z;
3х=-π/6+πк; к∈Z;
х=-π/18+πк/3; к∈Z;