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

The answer to (\partial)/(\partial x)(cos(pi)x) is -1

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(\partial)/(\partial x)(cos(pi)x)

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

- 1

Solution steps

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

Simplify

cos (π) x : - x

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

Take the constant out:

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

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

Apply the common derivative:

\frac{\partial}{\partial x} (x) = 1

= - 1

\frac{d ^{2}}{d x ^{2}} (\frac{x ^{2}}{1 + 2 x})

\int_{\frac{1}{2}}^{2} (1 - \frac{1}{x ^{2}}) d x

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

\int_{3}^{\infty} \frac{1}{x ^{2}} d x

\int_{0}^{1} \frac{42}{x ^{p}} d x

What is (\partial)/(\partial x)(cos(pi)x) ?
The answer to (\partial)/(\partial x)(cos(pi)x) is -1