Expression 6: "y" equals 1 left brace, 0 less than or equal to "x" less than or equal to StartFraction, pi Over 2 , EndFraction , right bracey=10≤x≤π2
6
Expression 7: "x" equals negative 1 left brace, 0 less than or equal to "y" less than or equal to pi , right bracex=−10≤y≤π
7
Expression 8: "y" equals negative 1 left brace, negative 3 halves pi less than or equal to "x" less than or equal to 0 , right bracey=−1−32π≤x≤0
8
Expression 9: "x" equals 1 left brace, negative 2 pi less than or equal to "y" less than or equal to 0 , right bracex=1−2π≤y≤0
9
Expression 10: left parenthesis, "t" cos left parenthesis, "u" , right parenthesis , "t" sin left parenthesis, "u" , right parenthesis , right parenthesistcosu,tsinu
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
11
domain t Maximum:
10
Expression 11: left parenthesis, "t" left parenthesis, cos left parenthesis, "u" , right parenthesis plus "u" sin left parenthesis, "u" , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis cos left parenthesis, "u" , right parenthesis , "t" left parenthesis, sin left parenthesis, "u" , right parenthesis minus "u" cos left parenthesis, "u" , right parenthesis , right parenthesis plus left parenthesis, 1 minus "t" , right parenthesis sin left parenthesis, "u" , right parenthesis , right parenthesistcosu+usinu+1−tcosu,tsinu−ucosu+1−tsinu
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤