Derivative of sine

From specialfunctionswiki
Revision as of 19:59, 7 February 2016 by Tom (talk | contribs)
Jump to: navigation, search

Proposition: The following formula holds: $$\dfrac{d}{dx} \sin(x) = \cos(x),$$ where $\sin$ denotes the sine function and $\cos$ denotes the cosine function.

Proof: