What is (\partial)/(\partial x)(cos(8x)sin(3y)) ?

The answer to (\partial)/(\partial x)(cos(8x)sin(3y)) is -8sin(8x)sin(3y)

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(\partial)/(\partial x)(cos(8x)sin(3y))

\frac{\partial}{\partial x} (cos (8 x) sin (3 y))

- 8 sin (8 x) sin (3 y)

Solution steps

\frac{\partial}{\partial x} (cos (8 x) sin (3 y))

Treat

y

as a constant

Take the constant out:

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

= sin (3 y) \frac{\partial}{\partial x} (cos (8 x))

Apply the chain rule:

- sin (8 x) \frac{\partial}{\partial x} (8 x)

= - sin (8 x) \frac{\partial}{\partial x} (8 x)

\frac{\partial}{\partial x} (8 x) = 8

= sin (3 y) (- sin (8 x) \cdot 8)

Simplify

= - 8 sin (8 x) sin (3 y)

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\int 4 cos (2 x) (sin (2 x) + 2)^{3} d x

\frac{d}{d x} (x^{2} (e^{x}))

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What is (\partial)/(\partial x)(cos(8x)sin(3y)) ?
The answer to (\partial)/(\partial x)(cos(8x)sin(3y)) is -8sin(8x)sin(3y)