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Mathematics 15 Online
OpenStudy (anonymous):

Need some help with l'hopitals rule

OpenStudy (anonymous):

\[\frac{ cosx }{ 1-sinx }\]

OpenStudy (anonymous):

lim x-> (pi/2)+

OpenStudy (anonymous):

hey hartnn!

hartnn (hartnn):

hey! calle :) hi.

OpenStudy (anonymous):

i know the rule is when it is 0/0 or inf/inf i can take the derivative of top and bottom and apply the limit

hartnn (hartnn):

so is it 0/0 here ?

OpenStudy (anonymous):

yes

hartnn (hartnn):

what is the derivative of numerator ?

OpenStudy (anonymous):

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