theorem.js
Version:
A Math library for computation in JavaScript
21 lines (18 loc) • 496 B
JavaScript
cosh(n) {
if (n.isComplex) {
const a = n.a.toNumber()
const b = n.b.toNumber()
const re = Math.cos(b) * Math.cosh(a)
const im = Math.sin(b) * Math.sinh(a)
return this.complex(re, im)
}
if (typeof n != 'object' || BigNumber.isBigNumber(n)) {
n = BigNumber.isBigNumber(n) == true ? n.toNumber() : n
n = [n]
}
let result = []
for (var i = 0; i < n.length; i++) {
result.push(Math.cosh(n[i]).toFixed(15))
}
return result.length == 1 ? result[0] : result
}