(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

a.\lim_x -->infty arctan(x^2-x^4) =

b.\lim _x --->pi/2 e^tan (x) =

2. Relevant equations

Limit laws

3. The attempt at a solution

a. I know I can use the limit laws to take the limit of Arctan@infinity=1/2, but then, I don't know if I should factor out the (x^2-x^4)

b. Don't even know.

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# Limit trouble

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