Mathematics: Find the total differential. z = x cos(y) − y cos(x)

Find the total differential. z = x cos(y) − y cos(x)

Ответ:

shayyy49

03.01.2022

$z=x\cos y-y\cos x$

$\mathrm dz=(\cos y\,\mathrm dx-x\sin y\,\mathrm dy)-(-y\sin x\,\mathrm dx+\cos x\,\mathrm dy)$
$\mathrm dz=(\cos y-y\sin x)\,\mathrm dx-(x\sin y+\cos x)\,\mathrm dy$

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Ответ:

Animallover100

28.11.2022

Mathematics

ohhh...

nice pictures.

Step-by-step explanation:

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