Secant
From specialfunctionswiki
The secant function is defined by
$$\sec(z)=\dfrac{1}{\cos(z)},$$
where $\cos$ denotes the cosine.
Graph of $\sec$ over $[-2\pi,2\pi]$.
Domain coloring of $\sec$.
Trig functions diagram using the unit circle.
Properties
Derivative of secant
Relationship between secant, Gudermannian, and cosh
Relationship between cosh, inverse Gudermannian, and sec
See Also
References
- 1964: Milton Abramowitz and Irene A. Stegun: Handbook of mathematical functions ... (previous) ... (next): 4.3.5
