Question

Помогите решить уравнения :3
а)sin4x= -1/2
б) tg(x-Пи/4)=1

Answer 1

1
4x=-π/6+2πn U 4x=7π/6+2πn
x=-π/24+πn/2 U x=7π/24+πn/2,n∈z
2
x-π/4=π/4+πn
x=π/2+πn,n∈z

Answer 2

1
4x=-π/6+2πn U 4x=7π/6+2πn
x=-π/24+πn/2 U x=7π/24+πn/2,n∈z
2
x-π/4=π/4+πn
x=π/2+πn,n∈z 
 

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