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

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

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

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

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derivative of

2 cos (x) + cos^{2} (x)

- 2 sin (x) - sin (2 x)

Solution steps

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

Apply the Sum/Difference Rule:

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

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

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

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

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

\int 9 x^{2} + 1 d x

\int \frac{1}{x ^{2} - 4 x - 12} d x

\frac{20}{s ( s ^{2} + 4 )}

\int \frac{1}{1 + cos ( 3 x )} d x

\frac{\partial}{\partial x} (22 x y e^{- x^{2} - y^{2}})

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