What is (\partial)/(\partial y)(xcos(y)) ?

The answer to (\partial)/(\partial y)(xcos(y)) is -xsin(y)

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(\partial)/(\partial y)(xcos(y))

\frac{\partial}{\partial y} (x cos (y))

- x sin (y)

Solution steps

\frac{\partial}{\partial y} (x cos (y))

Treat

x

as a constant

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= x \frac{\partial}{\partial y} (cos (y))

Apply the common derivative:

\frac{\partial}{\partial y} (cos (y)) = - sin (y)

= x (- sin (y))

Simplify

= - x sin (y)

\frac{d y}{d x} = 3 x^{2} y

e^{2 x}

(2 x^{2} + 1)^{2}

y^{^{'}} + 6 y = 0

\frac{\partial}{\partial y} (x sin (x) + y sin (y))

What is (\partial)/(\partial y)(xcos(y)) ?
The answer to (\partial)/(\partial y)(xcos(y)) is -xsin(y)