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Pochodna funkcji sina*cosa

$f\left(x\right) =$	$\cos\left(a\right){\cdot}\sin\left(a\right)$
	Note: Your input has been rewritten/simplified.
$\dfrac{\mathrm{d}\left(f\left(x\right)\right)}{\mathrm{d}x} =$	$\class{steps-node}{\cssId{steps-node-1}{\tfrac{\mathbf{d}}{\mathbf{d}\boldsymbol{x}}\kern-.25em\left(\cos\left(a\right){\cdot}\sin\left(a\right)\right)}}$ $=\class{steps-node}{\cssId{steps-node-2}{0}}$

$f\left(x\right) =$

$\cos\left(a\right){\cdot}\sin\left(a\right)$

Note: Your input has been rewritten/simplified.

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

$\class{steps-node}{\cssId{steps-node-1}{\tfrac{\mathbf{d}}{\mathbf{d}\boldsymbol{x}}\kern-.25em\left(\cos\left(a\right){\cdot}\sin\left(a\right)\right)}}$

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