What is the derivative of-4cos(x) ?

The derivative of-4cos(x) is 4sin(x)

What is the first derivative of-4cos(x) ?

The first derivative of-4cos(x) is 4sin(x)

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derivative of

- 4 cos (x)

4 sin (x)

Solution steps

\frac{d}{d x} (- 4 cos (x))

Take the constant out:

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

= - 4 \frac{d}{d x} (cos (x))

Apply the common derivative:

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

= - 4 (- sin (x))

Simplify

= 4 sin (x)

12 y^{^{''}} - 12 y^{^{'}} + 6 y = 0

\frac{\partial}{\partial s} (\frac{( s - r )}{t})

s

\int \frac{x + 4}{2 x + 6} d x

\int r e^{r} d r

What is the derivative of-4cos(x) ?
The derivative of-4cos(x) is 4sin(x)
What is the first derivative of-4cos(x) ?
The first derivative of-4cos(x) is 4sin(x)