Homework Help: Calculus

Posted by Maria on Sunday, May 6, 2007 at 3:30pm.

yes! tnk u

ok?

It's actually (x->0.)

Find the limit of cot(x)-csc(x) as x approached 0?

Lim [cot(x) - csc (x)]
..x->0
= Lim [(cos x -1)/sin x]
..x->0
Use L'Hopital's rule and take the ratio of the derivatives:
Lim (-sin x/cos x) = 0
x->0

thank you very much...it helped alot :)

so the answer would be zero?

No problem.
I'm happy to help you.

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