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

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

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

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

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

- sin (x) - 7

Solution steps

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

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

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

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

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

= - sin (x) - 7

n = 0 \sum \infty - 2^{n}

\frac{d}{d x} (x^{3} (x + 2))

\int 5 (5 x - 1)^{3} d x

\int e^{x} + x cos (y) d y

n = 1 \sum \infty n^{3} \cdot e^{- n^{2}}

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