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Derivative of $$$\frac{\sqrt{3} \sin{\left(u \right)}}{3}$$$
Related calculators: Logarithmic Differentiation Calculator, Implicit Differentiation Calculator with Steps
Your Input
Find $$$\frac{d}{du} \left(\frac{\sqrt{3} \sin{\left(u \right)}}{3}\right)$$$.
Solution
Apply the constant multiple rule $$$\frac{d}{du} \left(c f{\left(u \right)}\right) = c \frac{d}{du} \left(f{\left(u \right)}\right)$$$ with $$$c = \frac{\sqrt{3}}{3}$$$ and $$$f{\left(u \right)} = \sin{\left(u \right)}$$$:
$${\color{red}\left(\frac{d}{du} \left(\frac{\sqrt{3} \sin{\left(u \right)}}{3}\right)\right)} = {\color{red}\left(\frac{\sqrt{3}}{3} \frac{d}{du} \left(\sin{\left(u \right)}\right)\right)}$$The derivative of the sine is $$$\frac{d}{du} \left(\sin{\left(u \right)}\right) = \cos{\left(u \right)}$$$:
$$\frac{\sqrt{3} {\color{red}\left(\frac{d}{du} \left(\sin{\left(u \right)}\right)\right)}}{3} = \frac{\sqrt{3} {\color{red}\left(\cos{\left(u \right)}\right)}}{3}$$Thus, $$$\frac{d}{du} \left(\frac{\sqrt{3} \sin{\left(u \right)}}{3}\right) = \frac{\sqrt{3} \cos{\left(u \right)}}{3}$$$.
Answer
$$$\frac{d}{du} \left(\frac{\sqrt{3} \sin{\left(u \right)}}{3}\right) = \frac{\sqrt{3} \cos{\left(u \right)}}{3}$$$A