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Mathematics 9 Online
OpenStudy (anonymous):

what is the lim a->-infnty of arctan(a^3 /3).

OpenStudy (anonymous):

3pi/2 ?

OpenStudy (anonymous):

no, do you know what lim arctan(x) is? x->-inf

OpenStudy (anonymous):

I don't :(

OpenStudy (anonymous):

I've seen in another problem that it's 2/pi but i don't understand why

OpenStudy (anonymous):

it's -pi/2

OpenStudy (anonymous):

Woops got it mixed up, yea that.

OpenStudy (anonymous):

arctan(x) looks like this |dw:1394303633586:dw|

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