Evaluate each of the following:
Tan
can be written as tan
tan
= –tan
∴ As, tan–1(tan x) = x
Provided x ϵ 
tan–1(tan
) = –
3
Evaluate each of the following:
Tan can be written as tan
tan = –tan
∴ As, tan–1(tan x) = x
Provided x ϵ
tan–1(tan) = –