Expression 7: "x" equals "r" cosine left parenthesis, "b" left parenthesis, negative "y" minus left parenthesis, "r" plus 1 , right parenthesis , right parenthesis , right parenthesis left brace, left parenthesis, negative "r" minus 1 , right parenthesis greater than or equal to "y" greater than or equal to left parenthesis, negative "r" minus 1 minus pi "a" , right parenthesis , right bracex=rcosb−y−r+1−r−1≥y≥−r−1−πa
7
Expression 8: "x" equals "r" cosine left parenthesis, pi "b" "a" , right parenthesisx=rcosπba
8
Expression 9: left parenthesis, 0 , negative pi "a" minus "r" minus 1 , right parenthesis0,−πa−r−1
9
Expression 10: left parenthesis, "r" cos left parenthesis, pi "b" "a" , right parenthesis , negative pi "a" minus "r" minus 1 , right parenthesisrcosπba,−πa−r−1
10
Expression 11: left parenthesis, 0 , "l" plus 1 plus "r" , right parenthesis0,l+1+r
11
Expression 12: left parenthesis, "r" cos left parenthesis, pi "b" "a" , right parenthesis , negative StartRoot, "l" squared minus left parenthesis, "r" cos left parenthesis, pi "b" "a" , right parenthesis , right parenthesis squared , EndRoot plus "l" plus 1 plus "r" , right parenthesisrcosπba,−l2−rcosπba2+l+1+r
12
"x" Subscript, 5 , Baselinex5
"y" Subscript, 5 , Baseliney5
00
"l" plus 1 plus "r"l+1+r
"r" cosine left parenthesis, pi "b" "a" , right parenthesisrcosπba
negative StartRoot, "l" squared minus left parenthesis, "r" cos left parenthesis, pi "b" "a" , right parenthesis , right parenthesis squared , EndRoot plus "l" plus 1 plus "r"−l2−rcosπba2+l+1+r