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|dw:1347947263239:dw|

because i know domain is |x|>2

is it -2 to inf?

looks like there a hole.

it becomes\[y=4\frac{\frac{1}{\cos \theta}+1}{|\tan \theta|}\]

\(\ cos \theta? \)

range is\[(-2,0)\cup (2,\infty)\]

yeah \(\cos \theta\) do u know why ?

No, I don't

? I don't get the whole cos thing... and where did the 2 come from?

wait forgot cos thing...

exper got it

check for these behaviour on these intervals
(-inf, -2), (-2, 2), (2, inf)

? How?

the - infinity part is always confusing, don't cancel .... for that. rest is just same as you did.

the - infinity part is always confusing, don't cancel to for that.
rest is just same as you did.