What is the derivative of-cos(3x)3 ?

The derivative of-cos(3x)3 is 9sin(3x)

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

The first derivative of-cos(3x)3 is 9sin(3x)

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derivative of

- cos (3 x) 3

9 sin (3 x)

Solution steps

\frac{d}{d x} (- cos (3 x) \cdot 3)

Take the constant out:

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

= - 3 \frac{d}{d x} (cos (3 x))

Apply the chain rule:

- sin (3 x) \frac{d}{d x} (3 x)

= - sin (3 x) \frac{d}{d x} (3 x)

\frac{d}{d x} (3 x) = 3

= - 3 (- sin (3 x) \cdot 3)

Simplify

= 9 sin (3 x)

\frac{d}{d x} (\frac{x ^{2} - 1}{4 - x ^{2}})

\int \frac{7}{x ( x ^{4} + 2 )} d x

(ln (x))^{x}

\int 4 t^{2} + 9 t^{4} d t

\frac{d y}{d x} + cos (x) y = cos (x)

What is the derivative of-cos(3x)3 ?
The derivative of-cos(3x)3 is 9sin(3x)
What is the first derivative of-cos(3x)3 ?
The first derivative of-cos(3x)3 is 9sin(3x)