Expression 3: "Y" equals StartRoot, 15 squared minus "X" squared , EndRootY=152−X2
equals=
1212
3
Expression 4: StartFraction, 45 Over 90 minus left parenthesis, tan to the negative 1st power StartNestedFraction, "s" minus "X" NestedOver "s" , EndNestedFraction plus tan to the negative 1st power StartNestedFraction, "s" minus "Y" NestedOver "s" , EndNestedFraction , right parenthesis , EndFraction tilde 14590−tan−1s−Xs+tan−1s−Ys~1
4
Expression 5:
5
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Center:
center: left parenthesis, 0 , 0 , right parenthesis0,0