What is the derivative of cos(x+cos(2x)) ?

The derivative of cos(x+cos(2x)) is -sin(x)-sin(2x)*2

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

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

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\frac{d}{d x} (cos (x) + cos (2 x))

- sin (x) - sin (2 x) \cdot 2

Solution steps

\frac{d}{d x} (cos (x) + cos (2 x))

Apply the Sum/Difference Rule:

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

= \frac{d}{d x} (cos (x)) + \frac{d}{d x} (cos (2 x))

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

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

= - sin (x) - sin (2 x) \cdot 2

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

\int \frac{( 2 r + 1 )}{( r ^{2} - 3 r + 2 )} d r

x d y - y d x = 0

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

\int \frac{3 x}{4} d x

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