What is the derivative of-7cos(x) ?

The derivative of-7cos(x) is 7sin(x)

What is the first derivative of-7cos(x) ?

The first derivative of-7cos(x) is 7sin(x)

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\frac{d}{d x} (- 7 cos (x))

7 sin (x)

Solution steps

\frac{d}{d x} (- 7 cos (x))

Take the constant out:

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

= - 7 \frac{d}{d x} (cos (x))

Apply the common derivative:

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

= - 7 (- sin (x))

Simplify

= 7 sin (x)

y = 6 x, y = 3 x^{2}

\int_{0}^{1} 9 x d x

\int x arcsec (x) d x

\int \frac{( x e ^{2 x} )}{( 1 + 2 x ) ^{2}} d x

f (x) = \frac{1}{x}, at x = - 2

What is the derivative of-7cos(x) ?
The derivative of-7cos(x) is 7sin(x)
What is the first derivative of-7cos(x) ?
The first derivative of-7cos(x) is 7sin(x)