Question

Given `cosbeta=5`, how do you find `cotbeta`?

Answer 1

`cot(beta)` does not exist
`color(white)("XXX")`because `cos(beta)=5` is an invalid equation.

Explanation:

The `cos` function has a range of `[-1,+1]`

There is no value `beta` for which `cos(beta)=5`

Answer 2

Since `AA beta in RR, cos beta in [-1,1],` there can not be any `beta` such that `cos beta=5`. Hence, we can't find `cot beta`.