What is the derivative of y=4cos(x) ?

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

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

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

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derivative of

y = 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)

\frac{d y}{d x} = \frac{2 x ( y - 1 )}{x ^{2} + 1}

\int_{1}^{10} x ln (x) d x

x \to \infty lim (3 x - 9 x^{2} + x)

\int \frac{3 x - 1}{x ^{2} + 10 x + 28} d x

x^{2} sin^{6} (x) + x cos^{- 3} (x)

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