Expression 1: "r" equals left brace, 2 pi minus "a" less than theta less than 3 pi minus 2 "a" : 4 , pi minus "a" less than theta less than 2 pi minus 2 "a" : negative StartFraction, 4sin left parenthesis, StartNestedFraction, "a" NestedOver 2 , EndNestedFraction , right parenthesis Over sin left parenthesis, theta plus StartNestedFraction, 3 "a" NestedOver 2 , EndNestedFraction , right parenthesis , EndFraction , 3 pi minus "a" less than theta less than 4 pi minus 2 "a" : 4 , 4 pi minus "a" less than theta less than 5 pi minus 2 "a" : StartFraction, 4sin left parenthesis, StartNestedFraction, "a" NestedOver 2 , EndNestedFraction , right parenthesis Over sin left parenthesis, theta positive StartNestedFraction, 3 "a" NestedOver 2 , EndNestedFraction , right parenthesis , EndFraction , right bracer=2π−a<θ<3π−2a:4,π−a<θ<2π−2a:−4sina2sinθ+3a2,3π−a<θ<4π−2a:4,4π−a<θ<5π−2a:4sina2sinθ+3a2
5 pi / 65π/6
domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤
14 pi / 314π/3
domain \theta Maximum:
1
Expression 2: "a" equals StartFraction, pi Over 6 , EndFractiona=π6
