Expression 3: polygon left parenthesis, left parenthesis, 0 , sin "D" , right parenthesis , left parenthesis, cos "D" , sin "D" , right parenthesis , right parenthesispolygon0,sinD,cosD,sinD
3
Expression 4: left parenthesis, cos "t" , sin "t" , right parenthesiscost,sint
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: "D"D
4
cos θ = D: left parenthesis, StartFraction, cos "D" Over 2 , EndFraction , sin "D" , right parenthesiscosD2,sinD
θ = D: left parenthesis, cos left parenthesis, StartFraction, "D" Over 2 , EndFraction , right parenthesis , sin left parenthesis, StartFraction, "D" Over 2 , EndFraction , right parenthesis , right parenthesiscosD2,sinD2