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

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

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

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

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derivative of

cos (\frac{x}{2})

- sin (\frac{x}{2}) \frac{1}{2}

Solution steps

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

Apply the chain rule:

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

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

\frac{d}{d x} (\frac{x}{2}) = \frac{1}{2}

= - sin (\frac{x}{2}) \frac{1}{2}

x \to 4 lim (\frac{x ^{2} - 8}{x ^{4}})

\int x ln (ln (x)) d x

x \to 0 lim ((1 - \frac{x}{3})^{\frac{1}{x}})

arctan (- 2 x)

y^{^{''}} + b y^{^{'}} = 0

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