Find the limit as x-> 0 of(adsbygoogle = window.adsbygoogle || []).push({});

cos(x) - 1 / sin(x)

I can't really get anything going, I have:

cos(x)/sin(x) - 1/sin(x)

=cot(x) - csc(x)

but that still leaves the limit undefined.

any help?

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# Trig limits/derivatives

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