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

The derivative of x+2cos(x) is 1-2sin(x)

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

The first derivative of x+2cos(x) is 1-2sin(x)

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

1 - 2 sin (x)

Solution steps

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

Apply the Sum/Difference Rule:

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

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

\frac{d x}{d x} = 1

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

= 1 - 2 sin (x)

\int sec (3 θ) tan (3 θ) d θ

3 t

\frac{\partial}{\partial y} (- x e^{x y})

\frac{\partial}{\partial x} (6 x^{7} y^{6} + 2 x^{5} y^{8})

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

What is the derivative of x+2cos(x) ?
The derivative of x+2cos(x) is 1-2sin(x)
What is the first derivative of x+2cos(x) ?
The first derivative of x+2cos(x) is 1-2sin(x)