Expression 4: "X" equals tangent to the negative 1st power left parenthesis, StartFraction, "s" cos left parenthesis, 60 minus 45 , right parenthesis Over StartRoot, 2 , EndRoot left parenthesis, "s" plus StartNestedFraction, "s" sin left parenthesis, 60 minus 45 , right parenthesis NestedOver StartRoot, 2 , EndRoot , EndNestedFraction , right parenthesis , EndFraction , right parenthesisX=tan−1scos60−452s+ssin60−452
equals=
3030
4
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Center:
center: left parenthesis, 0 , 0 , right parenthesis0,0