What is the derivative of 6cos(2x) ?

The derivative of 6cos(2x) is -12sin(2x)

What is the first derivative of 6cos(2x) ?

The first derivative of 6cos(2x) is -12sin(2x)

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derivative of

6 cos (2 x)

- 12 sin (2 x)

Solution steps

\frac{d}{d x} (6 cos (2 x))

Take the constant out:

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

= 6 \frac{d}{d x} (cos (2 x))

Apply the chain rule:

- sin (2 x) \frac{d}{d x} (2 x)

= - sin (2 x) \frac{d}{d x} (2 x)

\frac{d}{d x} (2 x) = 2

= 6 (- sin (2 x) \cdot 2)

Simplify

= - 12 sin (2 x)

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What is the derivative of 6cos(2x) ?
The derivative of 6cos(2x) is -12sin(2x)
What is the first derivative of 6cos(2x) ?
The first derivative of 6cos(2x) is -12sin(2x)