equals$=$StartFraction RootIndex $9$ StartRoot x Superscript $8$ Baseline left parenthesis $1$ minus sine left parenthesis x right parenthesis right parenthesis Superscript $8$ EndRoot Over x left parenthesis $1$ minus sine left parenthesis x right parenthesis right parenthesis EndFraction$9$x$8(1$sin$($x$))8$x$(1$sin$($x$))$

$($Use a comma to separate answers as$$ needed.$)$

Part $5$

Find the$$ derivative$($s$)$ of the explicit$$ solution$($s$).$c