How to draw an exact angle line in Autocad?

If Dynamic input is turned ON (see button on Status Bar or use Shift+Command+D shortcut), then you can:1)Start LINE command2)Pick first point, than hit Tab key, then input angle3)Then hit Tab key again - the line will be constrained to the angle you input in previous step4) Then input line length and hit Return or Spacebar.If Dynamic Input is OFF - then use traditional command prompt input:e.g.@< - this will draw a line units length at degree counterclockwise.