Expresión 3: "z" equals 2 pi plus arc tangent left parenthesis, StartFraction, "y" Over "x" , EndFraction , right parenthesis left brace, "x" squared plus "y" squared less than or equal to 1 , right brace left brace, "z" less than 2 pi , right bracez=2π+arctanyxx2+y2≤1z<2π
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Expresión 4: left parenthesis, 0 , 0 , left bracket, 0 , 2 pi , right bracket , right parenthesis0,0,0,2π
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Expresión 5: left parenthesis, 0 , "t" , StartFraction, pi Over 2 , EndFraction , right parenthesis0,t,π2
