Expression 3: "r" equals "a" plus 20 left brace, mod left parenthesis, floor left parenthesis, StartFraction, 15 left parenthesis, theta minus StartNestedFraction, pi NestedOver 6 , EndNestedFraction , right parenthesis Over 2 pi , EndFraction , right parenthesis , 3 , right parenthesis equals 2 , right bracer=a+20modfloor15θ−π62π,3=2
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domain \theta Minimum:
less than or equal to theta less than or equal to≤θ≤