What is the derivative of 8cos^3(x) ?

The derivative of 8cos^3(x) is -24cos^2(x)sin(x)

What is the first derivative of 8cos^3(x) ?

The first derivative of 8cos^3(x) is -24cos^2(x)sin(x)

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\frac{d}{d x} (8 cos^{3} (x))

- 24 cos^{2} (x) sin (x)

Solution steps

\frac{d}{d x} (8 cos^{3} (x))

Take the constant out:

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

= 8 \frac{d}{d x} (cos^{3} (x))

Apply the chain rule:

3 (cos (x))^{2} \frac{d}{d x} (cos (x))

= 3 (cos (x))^{2} \frac{d}{d x} (cos (x))

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

= 8 \cdot 3 (cos (x))^{2} (- sin (x))

Simplify

= - 24 cos^{2} (x) sin (x)

arctan (8 x^{2} - 1)

\frac{\partial}{\partial x} (\frac{1}{sin ( x ^{2} - y ^{2} )})

6 x

y^{^{''}} + a = 0

x y^{^{'}} + 2 y = \frac{( 3 e ^{- 3 x} )}{x}

What is the derivative of 8cos^3(x) ?
The derivative of 8cos^3(x) is -24cos^2(x)sin(x)
What is the first derivative of 8cos^3(x) ?
The first derivative of 8cos^3(x) is -24cos^2(x)sin(x)