Pochodna funkcji sin(3t)^2

$f\left(t\right) =$	${\left(\sin\left(3t\right)\right)}^{2}$
$\dfrac{\mathrm{d}\left(f\left(t\right)\right)}{\mathrm{d}x} =$	$\class{steps-node}{\cssId{steps-node-1}{\tfrac{\mathrm{d}}{\mathrm{d}x}\kern-.25em\left({\left(\sin\left(3t\right)\right)}^{2}\right)}}$ $=\class{steps-node}{\cssId{steps-node-2}{0}}$

$f\left(t\right) =$

${\left(\sin\left(3t\right)\right)}^{2}$

$\dfrac{\mathrm{d}\left(f\left(t\right)\right)}{\mathrm{d}x} =$

$\class{steps-node}{\cssId{steps-node-1}{\tfrac{\mathrm{d}}{\mathrm{d}x}\kern-.25em\left({\left(\sin\left(3t\right)\right)}^{2}\right)}}$

$=\class{steps-node}{\cssId{steps-node-2}{0}}$