Revision as of 02:33, 5 January 2017 by Tom(talk | contribs)(Created page with "==Theorem== The following formula holds: $$\dfrac{\mathrm{d}}{\mathrm{d}z} \mathrm{versin}(z) = \sin(z),$$ where $\mathrm{versin}$ denotes versine and $\sin$ denotes sin...")
The following formula holds:
$$\dfrac{\mathrm{d}}{\mathrm{d}z} \mathrm{versin}(z) = \sin(z),$$
where $\mathrm{versin}$ denotes versine and $\sin$ denotes sine.
