Question

Помогите с домашней работой!!!!!!!!!!!11

Answer 1

1
а)π/4+π/6-π/2=-π/12
б)сtgπ/4=1
в)arctg(1)=-π/4
2
а)x=3π/4+πn
б)x=arctg1/3+πn
1
а)5π/6-π/4-π/2=π/12
б)cosπ/6=√3/2
в)arctg(-1/√3)=-π/6
2
а)x=π-arcctg0,5+πn
б)x=πn