`M` left parenthesis, StartFraction, 3cos "m" plus 5cos "n" Over 2 , EndFraction , StartFraction, 3sin "m" plus 5sin "n" Over 2 , EndFraction , right parenthesis3cosm+5cosn2,3sinm+5sinn2
ラベル:
8
式9: "x" squared plus "y" squared less than or equal to 8.5 plus 7.5cosine left parenthesis, "m" minus "n" , right parenthesis left brace, "x" squared plus "y" squared greater than or equal to 1 , right bracex2+y2≤8.5+7.5cosm−nx2+y2≥1