Derivative of $$$\sin{\left(u \right)}$$$
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Your Input
Find $$$\frac{d}{du} \left(\sin{\left(u \right)}\right)$$$.
Solution
The derivative of the sine is $$$\frac{d}{du} \left(\sin{\left(u \right)}\right) = \cos{\left(u \right)}$$$:
$${\color{red}\left(\frac{d}{du} \left(\sin{\left(u \right)}\right)\right)} = {\color{red}\left(\cos{\left(u \right)}\right)}$$Thus, $$$\frac{d}{du} \left(\sin{\left(u \right)}\right) = \cos{\left(u \right)}$$$.
Answer
$$$\frac{d}{du} \left(\sin{\left(u \right)}\right) = \cos{\left(u \right)}$$$A