Ответ:150°
Объяснение: 2х/5=π/3+πn,n∈z
2x=5π/3+5πn,n∈z
x=5π/6+5πn/2,n∈z
n=0, x=5π/6=150°∈(0;180°)
n=1,x=5π/6+5π/2=20π/6=10π/3∉(0;180°)
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Ответ:150°
Объяснение: 2х/5=π/3+πn,n∈z
2x=5π/3+5πn,n∈z
x=5π/6+5πn/2,n∈z
n=0, x=5π/6=150°∈(0;180°)
n=1,x=5π/6+5π/2=20π/6=10π/3∉(0;180°)