Avaldis 8: "y" equals "x" tangent left parenthesis, "a" , right parenthesis left brace, 0 less than or equal to "x" less than or equal to "r" cos left parenthesis, "a" , right parenthesis , right bracey=xtana0≤x≤rcosa
8
Avaldis 9: "y" squared plus "x" squared equals "r" squared left brace, 0 less than or equal to "y" less than or equal to "r" sin left parenthesis, "a" , right parenthesis , right brace left brace, 0 less than or equal to "x" , right bracey2+x2=r20≤y≤rsina0≤x
9
Avaldis 10: left parenthesis, "r" plus "b" , 0 , right parenthesisr+b,0
10
Avaldis 11: left parenthesis, "r" cos left parenthesis, "a" , right parenthesis , "r" sin left parenthesis, "a" , right parenthesis , right parenthesisrcosa,rsina
11
Avaldis 12: "y" squared plus left parenthesis, "x" minus "f" , right parenthesis squared equals "r" squared left brace, 0 less than or equal to "y" less than or equal to "r" sin left parenthesis, "a" , right parenthesis , right brace left brace, "r" cos left parenthesis, "a" , right parenthesis less than or equal to "x" , right bracey2+x−f2=r220≤y≤rsinarcosa≤x
12
Avaldis 13: left parenthesis, "f" , 0 , right parenthesisf,0
13
Avaldis 14: "y" equals "m" left parenthesis, "x" minus "f" , right parenthesis left brace, 0 less than or equal to "y" less than or equal to "r" sin left parenthesis, "a" , right parenthesis , right bracey=mx−f0≤y≤rsina
