Spherical$-$to$-$Rectangular Conversion In Exercisci $32\mathrm{.}38\mathrm{.}32\mathrm{.}42$ and $42$ coovert the point from spherical coordinates to rectangular coordinates.

$37.(4,\frac{}{6},\frac{}{4})$

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$3$: $(5,,\frac{}{2})$

$39.(12,-\frac{}{4},0)$

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$40.(9,\frac{}{4},)$

$41.(5,\frac{}{7},\frac{}{17})$

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$42(7,\frac{3}{4},\frac{}{9})$