what is the domain of the functoin y=tan x ?

1 Answer | Add Yours

hala718's profile pic

hala718 | High School Teacher | (Level 1) Educator Emeritus

Posted on

y= tan(x)

Since tan(x)= sinx/cos(x)

Then the domain is all real numbers except when cos(x)= 0

==> cos(x)= 0 when x = pi/2 + npi

==> Then the domain is R - { pi/2+npi}

The range is all real numbers.


We’ve answered 317,705 questions. We can answer yours, too.

Ask a question