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

The derivative of sqrt(2)cos(x) is -sqrt(2)sin(x)

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

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

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

- 2 sin (x)

Solution steps

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

Take the constant out:

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

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

Apply the common derivative:

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

= 2 (- sin (x))

Simplify

= - 2 sin (x)

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