Expression 5: "a" equals 2 pi random left parenthesis, "t" , right parenthesisa=2πrandomt
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Expression 6: "p" Subscript, 1 , Baseline equals left parenthesis, cos left parenthesis, "a" , right parenthesis , sin left parenthesis, "a" , right parenthesis , right parenthesisp1=cosa,sina
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Expression 7: "p" Subscript, 2 , Baseline equals left parenthesis, cos left parenthesis, "b" , right parenthesis , sin left parenthesis, "b" , right parenthesis , right parenthesisp2=cosb,sinb
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Expression 8: "b" equals 2 pi random left parenthesis, "t" , right parenthesisb=2πrandomt
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Expression 9: "d" equals 20 times random left parenthesis, 8 , right parenthesisd=20·random8
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Expression 10: "p" Subscript, 3 , Baseline equals left parenthesis, "p" Subscript, 1 , Baseline . "x" minus StartFraction, left parenthesis, "p" Subscript, 1 , Baseline . "x" minus "p" Subscript, 2 , Baseline . "x" , right parenthesis Over 2 , EndFraction , "p" Subscript, 1 , Baseline . "y" negative StartFraction, left parenthesis, "p" Subscript, 1 , Baseline . "y" minus "p" Subscript, 2 , Baseline . "y" , right parenthesis Over 2 , EndFraction , right parenthesisp3=p1.x−p1.x−p2.x2,p1.y−p1.y−p2.y2