Expression 5: "x" equals negative 2 plus 2cosine left parenthesis, "a" , right parenthesis left brace, 0 less than "y" less than 2sin left parenthesis, "a" , right parenthesis , right bracex=−2+2cosa0<y<2sina
5
Expression 6: "x" equals negative 2 plus 2cosine left parenthesis, "a" , right parenthesis left brace, 2sin left parenthesis, "a" , right parenthesis less than "y" less than 0 , right bracex=−2+2cosa2sina<y<0
6
`sin(\theta)` left parenthesis, negative 2 plus 2cos left parenthesis, "a" , right parenthesis , sin left parenthesis, "a" , right parenthesis , right parenthesis−2+2cosa,sina
Label:
equals=
left parenthesis, negative 2 , 1 , right parenthesis−2,1