Versine
From specialfunctionswiki
The versine function $\mathrm{versin} \colon \mathbb{C} \rightarrow \mathbb{C}$ is defined by the formula $$\mathrm{versin}(z)=1-\cos(z),$$ where $ \cos$ denotes the cosine function.
Plot of $\mathrm{versin}$ on $[-10,10]$.
Domain coloring of $\mathrm{versin}$.
Trig functions diagram using the unit circle.
Properties
Derivative of versine
Antiderivative of versine
References
- 1964: Milton Abramowitz and Irene A. Stegun: Handbook of mathematical functions ... (previous) ... (next): $4.3.147$
