p: left parenthesis, sin "t" , sin left parenthesis, "t" , right parenthesis times cos left parenthesis, "t" , right parenthesis , right parenthesissint,sint·cost
Label:
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
4
Expression 5: left parenthesis, "x" minus sin "t" , right parenthesis squared plus left parenthesis, "y" minus sin left parenthesis, "t" , right parenthesis times cos left parenthesis, "t" , right parenthesis , right parenthesis squared less than or equal to "r" squaredx−sint2+y−sint·cost2≤r2