$Solve\cos⁡x=-\frac{1}{\sqrt{2}}\ for\ 0≤x≤360°$  

 $Solve\cos⁡x=-1\ for\ 0≤x≤360°$  

 $Solve\sin2⁡x=\frac{\sqrt{3}}{2}\ for\ 0≤x≤360°$  

 $Solve\sin2x=\frac{1}{2}\ for\ 0≤x≤360°$  

 $Solve\ \sin3⁡x=-\frac{1}{\sqrt{2}}\ for\ 0≤x≤360°$  

 $Solve\cos⁡3x=0\ for\ 0≤x≤360°$  

 $Solve\ 2\sin x-1=0\ for\ 0≤x≤360°$  

 $Solve\sqrt{2}\cos⁡x-1=0\ for\ 0≤x≤360°$  

 $Solve\cos⁡2x=-\frac{\sqrt{3}}{2}\ for\ 0≤x≤360°$  

 $Solve\ 2\cos⁡x=\sqrt{3}\ for\ 0≤x≤360°$