Expresión 18: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesisM1+Rcost,M2+Rsint
valor mínimo del dominio t: negative 90−90
less than or equal to "t" less than or equal to≤t≤
valor máximo del dominio t: 9090
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Expresión 19: polygon left parenthesis, "A" , "B" , "C" , right parenthesispolygonA,B,C
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Expresión 20: polygon left parenthesis, "B" , "M" , right parenthesispolygonB,M