Question

How do you simplify `tan^-1 1`?

Answer 1

`y =(4k-3)/4 pi, k =1,2,3,...`

Explanation:

Let say

`y = tan^(-1) 1`

`tan y = 1`

`y = 1/4 pi, 5/4 pi, 9/4pi, 13/4 pi,...,`

therefore,

`y =(4k-3)/4 pi, k =1,2,3,...`