Rezolvarea trebuie neaparat sa foloseasca formula specificata mai jos

[tex]\\ \text{Sa se rezolve ecuatia} \\ \\\\sin(2x+\dfrac{\pi}{6})=-\dfrac{1}{2} \\ \\ \\sin(x-\dfrac{\pi}{4}})=1 \\ \\\text{Trebuie rezolvate cu formula aceasta : }\boxed{(-1)^k~arcsin~a~+k\pi~~| ~k \in Z} \\[/tex]