Question

Find the Domain
and
range
Tues)
f(xjot
x
1+​

Answer 1

Answer:

cotx is defined for x∈R−{nπ,n∈Z}

and cot

−1

x is defined for x∈R.

Now we take the intersection of both domains

∴ domain for f(x) is R−{nπ,∈Z}.