İfade 6: "x" squared plus "y" squared equals "r" squared left brace, "y" greater than or equal to 0 , right bracex2+y2=r2y≥0
6
İfade 7: "y" equals tangent left parenthesis, alpha , right parenthesis "x" left brace, "y" greater than or equal to 0 , right bracey=tanαxy≥0
7
Etiket gizli: left parenthesis, "r" cos left parenthesis, alpha , right parenthesis , "r" sin left parenthesis, alpha , right parenthesis , right parenthesisrcosα,rsinα
