What is the derivative of cos(pix) ?

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

What is the first derivative of cos(pix) ?

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

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\frac{d}{d x} (cos (π x))

- sin (π x) π

Solution steps

\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

= - sin (π x) π

\frac{s}{s ^{2} + 1}

\int \frac{1}{36 - 6 t ^{2}} d t

f (x) = 2 - x^{2}

{\frac{1}{S ^{3}}}

\int I n (x) d x

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