Saturday, April 14, 2018

limits - Find: limxtofracpi4fracsin4x1sqrt2cosx (no L'Hopital)


Find: lim (no L'Hopital)



By L'Hopital it is easy to show that this limit is -4. But I'm not finding the right approach to prove without using it.



Hints and answers appreciated. Sorry if this is a duplicate.

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