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Trigonometry 8 Online
OpenStudy (anonymous):

Find the limit of cos5x/cosx as x -> pi/2.

OpenStudy (anonymous):

Does it matter which method you are to use?

OpenStudy (anonymous):

Nope

OpenStudy (anonymous):

what class is this for

OpenStudy (anonymous):

what do you mean?

OpenStudy (anonymous):

calc, calc2. have u learned l'hopital's rule

OpenStudy (anonymous):

Im not american ?? but oh yeah ive just forgotten how to do it, no worries ill revise it now

OpenStudy (anonymous):

l'hospital's rule is just taking the derivative of the top function and bottom function then taking the limit again

OpenStudy (anonymous):

oh thanks :)

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