math-lacking-angular-methods.md

Lacking Math Angular Methods

	sec	csc	cot
	$\frac{1}{\cos x}$	$\frac{1}{\sin x}$	$\frac{1}{\tan x}$
hyperbolic	$\frac{1}{\cosh x}$	$\frac{1}{\sinh x}$	$\frac{1}{\tanh x}$
arcus	$\arccos\left(\frac{1}{x}\right)$	$\arcsin\left(\frac{1}{x}\right)$	$\arctan\left(\frac{1}{x}\right)$
arcus hyperbolic	$\text{arccosh}\left(\frac{1}{x}\right)$	$\text{arcsinh}\left(\frac{1}{x}\right)$	$\text{arctanh}\left(\frac{1}{x}\right)$

Implementations

const sec = x => 1 / Math.cos(x);
const csc = x => 1 / Math.sin(x);
const cot = x => 1 / Math.tan(x);

const sech = x => 1 / Math.cosh(x);
const csch = x => 1 / Math.sinh(x);
const coth = x => 1 / Math.tanh(x);

const asec = x => Math.acos(1 / x);
const acsc = x => Math.asin(1 / x);
const acot = x => Math.atan(1 / x);

const asech = x => Math.acosh(1 / x);
const acsch = x => Math.asinh(1 / x);
const acoth = x => Math.atanh(1 / x);