What is (\partial)/(\partial x)(cos(-x)) ?

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

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(\partial)/(\partial x)(cos(-x))

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

- sin (x)

Solution steps

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

Simplify

cos (- x) : cos (x)

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

Apply the common derivative:

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

= - sin (x)

\frac{d}{d x} (14 - x)

\int \frac{1}{( x + 3 ) x ^{2} + 6 x - 7} d x

\int 0.0015 x^{2} d x

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

x \to 2 lim (x^{2} + 3 x + 1)

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