表达式7: polygon left parenthesis, left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, 5 pi Over 4 , EndFraction plus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, 5 pi Over 4 , EndFraction plus .2 , right parenthesis , right parenthesis , left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, 5 pi Over 4 , EndFraction minus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, 5 pi Over 4 , EndFraction minus .2 , right parenthesis , right parenthesis , left parenthesis, 2cos left parenthesis, "a" plus StartFraction, 5 pi Over 4 , EndFraction , right parenthesis , 2sin left parenthesis, "a" plus StartFraction, 5 pi Over 4 , EndFraction , right parenthesis , right parenthesis , right parenthesispolygon1.25cosa+5π4+.2,1.25sina+5π4+.2,1.25cosa+5π4−.2,1.25sina+5π4−.2,2cosa+5π4,2sina+5π4
7
表达式8: polygon left parenthesis, left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, pi Over 4 , EndFraction plus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, pi Over 4 , EndFraction plus .2 , right parenthesis , right parenthesis , left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, pi Over 4 , EndFraction minus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, pi Over 4 , EndFraction minus .2 , right parenthesis , right parenthesis , left parenthesis, 2cos left parenthesis, "a" plus StartFraction, pi Over 4 , EndFraction , right parenthesis , 2sin left parenthesis, "a" plus StartFraction, pi Over 4 , EndFraction , right parenthesis , right parenthesis , right parenthesispolygon1.25cosa+π4+.2,1.25sina+π4+.2,1.25cosa+π4−.2,1.25sina+π4−.2,2cosa+π4,2sina+π4
8
表达式9: polygon left parenthesis, left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, 3 pi Over 2 , EndFraction plus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, 3 pi Over 2 , EndFraction plus .2 , right parenthesis , right parenthesis , left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, 3 pi Over 2 , EndFraction minus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, 3 pi Over 2 , EndFraction minus .2 , right parenthesis , right parenthesis , left parenthesis, 2cos left parenthesis, "a" plus StartFraction, 3 pi Over 2 , EndFraction , right parenthesis , 2sin left parenthesis, "a" plus StartFraction, 3 pi Over 2 , EndFraction , right parenthesis , right parenthesis , right parenthesispolygon1.25cosa+3π2+.2,1.25sina+3π2+.2,1.25cosa+3π2−.2,1.25sina+3π2−.2,2cosa+3π2,2sina+3π2
9
表达式10: polygon left parenthesis, left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, 7 pi Over 4 , EndFraction plus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, 7 pi Over 4 , EndFraction plus .2 , right parenthesis , right parenthesis , left parenthesis, 1.2 5cos left parenthesis, "a" plus StartFraction, 7 pi Over 4 , EndFraction minus .2 , right parenthesis , 1.2 5sin left parenthesis, "a" plus StartFraction, 7 pi Over 4 , EndFraction minus .2 , right parenthesis , right parenthesis , left parenthesis, 2cos left parenthesis, "a" plus StartFraction, 7 pi Over 4 , EndFraction , right parenthesis , 2sin left parenthesis, "a" plus StartFraction, 7 pi Over 4 , EndFraction , right parenthesis , right parenthesis , right parenthesispolygon1.25cosa+7π4+.2,1.25sina+7π4+.2,1.25cosa+7π4−.2,1.25sina+7π4−.2,2cosa+7π4,2sina+7π4
