Question

Помогите пожалуйста!

Answer 1

$1)Sinx=\frac{1}{2}\\\\x=(-1)^{n}arc Sin\frac{1}{2}+\pi n,n\in Z\\\\x=(-1)^{n}\frac{\pi }{6}+\pi n,n\in Z\\\\\\2)Sinx=-\frac{\sqrt{2}}{2}\\\\x=(-1)^{n} arc Sin(-\frac{\sqrt{2}}{2})+\pi n,n\in Z\\\\x=(-1)^{n}(-\frac{\pi }{4})+\pi n,n\in Z\\\\x=(-1)^{n+1}\frac{\pi }{4}+\pi n,n\in Z$