Expression 9: co secant left parenthesis, "t" , right parenthesiscsct
equals=
negative 1−1
9
Expression 10: co tangent left parenthesis, "t" , right parenthesiscott
equals=
00
10
Expression 11: "y" equals tangent left parenthesis, "t" , right parenthesis times "x" left brace, 0 less than "x" less than cos "t" , right bracey=tant·x0<x<cost
11
Expression 12: "y" equals tangent left parenthesis, "t" , right parenthesis times "x" left brace, cos "t" less than "x" less than 0 , right bracey=tant·xcost<x<0
12
Expression 13: "x" equals cosine left parenthesis, "t" , right parenthesis left brace, 0 less than "y" less than sin left parenthesis, "t" , right parenthesis , right bracex=cost0<y<sint
13
Expression 14: "x" equals cosine left parenthesis, "t" , right parenthesis left brace, sin left parenthesis, "t" , right parenthesis less than "y" less than 0 , right bracex=costsint<y<0
14
Expression 15: "y" equals 0 left brace, 0 less than "x" less than cos left parenthesis, "t" , right parenthesis , right bracey=00<x<cost
15
Expression 16: "y" equals 0 left brace, cos left parenthesis, "t" , right parenthesis less than "x" less than 0 , right bracey=0cost<x<0
16
Expression 17: negative co tangent left parenthesis, "t" , right parenthesis equals StartFraction, left parenthesis, "y" minus sin "t" , right parenthesis Over left parenthesis, "x" minus cos "t" , right parenthesis , EndFraction left brace, cos "t" less than "x" less than sec "t" , right brace−cott=y−sintx−costcost<x<sect
17
Expression 18: negative co tangent left parenthesis, "t" , right parenthesis equals StartFraction, left parenthesis, "y" minus sin "t" , right parenthesis Over left parenthesis, "x" minus cos "t" , right parenthesis , EndFraction left brace, sec "t" less than "x" less than cos "t" , right brace−cott=y−sintx−costsect<x<cost