What is the derivative of cos(2-7x) ?

The derivative of cos(2-7x) is 7sin(2-7x)

What is the first derivative of cos(2-7x) ?

The first derivative of cos(2-7x) is 7sin(2-7x)

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\frac{d}{d x} (cos (2 - 7 x))

7 sin (2 - 7 x)

Solution steps

\frac{d}{d x} (cos (2 - 7 x))

Apply the chain rule:

- sin (2 - 7 x) \frac{d}{d x} (2 - 7 x)

= - sin (2 - 7 x) \frac{d}{d x} (2 - 7 x)

\frac{d}{d x} (2 - 7 x) = - 7

= - sin (2 - 7 x) (- 7)

Simplify

= 7 sin (2 - 7 x)

\frac{x}{5 - x}

f (x) = (2 x - 8)^{4} (x^{2} + x + 1)^{5}

y = x^{2} - 4 x, (5, 5)

\frac{\partial}{\partial x} (x^{2} e^{yz})

What is the derivative of cos(2-7x) ?
The derivative of cos(2-7x) is 7sin(2-7x)
What is the first derivative of cos(2-7x) ?
The first derivative of cos(2-7x) is 7sin(2-7x)