What is the derivative of cos(pix)(pi) ?

The derivative of cos(pix)(pi) is -pi^2sin(pix)

What is the first derivative of cos(pix)(pi) ?

The first derivative of cos(pix)(pi) is -pi^2sin(pix)

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derivative of

cos (π x) (π)

- π^{2} sin (π x)

Solution steps

\frac{d}{d x} (cos (π x) π)

Take the constant out:

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

= π \frac{d}{d x} (cos (π x))

Apply the chain rule:

- sin (π x) \frac{d}{d x} (π x)

= - sin (π x) \frac{d}{d x} (π x)

\frac{d}{d x} (π x) = π

= π (- sin (π x) π)

Simplify

π (- sin (π x) π) : - π^{2} sin (π x)

= - π^{2} sin (π x)

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

x \to 1 lim (2 x^{5} - 7 x^{4} + 7)

\frac{d}{d x} (- \frac{8 ( 1 - 12 x ^{2} )}{( 4 x ^{2} + 1 ) ^{3}})

f (x) = 4 π r^{2}

\frac{\partial}{\partial z} (\frac{- z}{y ^{2} + z ^{2}})

What is the derivative of cos(pix)(pi) ?
The derivative of cos(pix)(pi) is -pi^2sin(pix)
What is the first derivative of cos(pix)(pi) ?
The first derivative of cos(pix)(pi) is -pi^2sin(pix)