What is the derivative of cos(xpi) ?

The derivative of cos(xpi) is -sin(xpi)pi

What is the first derivative of cos(xpi) ?

The first derivative of cos(xpi) is -sin(xpi)pi

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\frac{d}{d x} (cos (x π))

- sin (x π) π

Solution steps

\frac{d}{d x} (cos (x π))

Apply the chain rule:

- sin (x π) \frac{d}{d x} (x π)

= - sin (x π) \frac{d}{d x} (x π)

\frac{d}{d x} (x π) = π

= - sin (x π) π

\int e^{1.25 x} - 4 x d x

\frac{\partial}{\partial x} (6 x^{\frac{1}{3}} y^{\frac{1}{2}})

\int \frac{e ^{x}}{1 + 25 e ^{2 x}} d x

f (x) = 2 x + \frac{3}{x}, at x = - 1

\frac{\partial}{\partial x} (\frac{arctan ( \cdot y ^{2} )}{x})

What is the derivative of cos(xpi) ?
The derivative of cos(xpi) is -sin(xpi)pi
What is the first derivative of cos(xpi) ?
The first derivative of cos(xpi) is -sin(xpi)pi