4sin (х+п/6)=0
sin (х+п/6)=0/4
sin (х+п/4)=0
![Х x_{1}](https://tex.z-dn.net/?f=%D0%A5+x_%7B1%7D+)
=arcsin a+2πn n∈z
![Х x_{2}](https://tex.z-dn.net/?f=%D0%A5+x_%7B2%7D+)
=π-arcsin a +2πn n∈z
![Х x_{1}](https://tex.z-dn.net/?f=%D0%A5+x_%7B1%7D+)
+π/6= arcsin 0+2πn n∈z
![Х x_{1}](https://tex.z-dn.net/?f=%D0%A5+x_%7B1%7D+)
+ π/6=π+2πn n ∈z
![Х x_{1}](https://tex.z-dn.net/?f=%D0%A5+x_%7B1%7D+)
=π-π/6+2πn n∈z
![Х x_{1}](https://tex.z-dn.net/?f=%D0%A5+x_%7B1%7D+)
=5π/6 +2 πn n ∈z
![Х x_{2}](https://tex.z-dn.net/?f=%D0%A5+x_%7B2%7D+)
+ π/6 = π-arcsin 0+2πn n∈z
![Х x_{2}](https://tex.z-dn.net/?f=%D0%A5+x_%7B2%7D+)
+ π/6= π-π+2πn n∈z
![Х x_{2}](https://tex.z-dn.net/?f=%D0%A5+x_%7B2%7D+)
+π/6= 2πn n∈z
![Х x_{2}](https://tex.z-dn.net/?f=%D0%A5+x_%7B2%7D+)
= -π/6 +2πn n∈z
ответ:5π/6 +2 πn;-π/6 +2πn,где n∈z
2а(в квадрате)bc+3ab(в квадрате)с+4abc(в квадрате)
Ответ: х=3; у=1,,,,,,,,,,,,,,,,,,
Решение на фото)))))))))))))))))