What is the derivative of 20cos(x) ?

The derivative of 20cos(x) is -20sin(x)

What is the first derivative of 20cos(x) ?

The first derivative of 20cos(x) is -20sin(x)

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\frac{d}{d x} (20 cos (x))

- 20 sin (x)

Solution steps

\frac{d}{d x} (20 cos (x))

Take the constant out:

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

= 20 \frac{d}{d x} (cos (x))

Apply the common derivative:

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

= 20 (- sin (x))

Simplify

= - 20 sin (x)

\frac{\partial}{\partial x} (5 x^{2} + y^{2})

- 6 x, at x = 4

\int y sin (x) y d x

\int \frac{e ^{x}}{e ^{3 x} - 2 e ^{2 x} + e ^{x} - 2} d x

\frac{\partial}{\partial y} (6 x y^{2})

What is the derivative of 20cos(x) ?
The derivative of 20cos(x) is -20sin(x)
What is the first derivative of 20cos(x) ?
The first derivative of 20cos(x) is -20sin(x)