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| Math Central | Quandaries & Queries |
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Question from hanan, a student: lim (1- 2 cosx)/(sin(x- π/3)) |
Hanan,
If this is the limit as x approaches π/3 then the best approach is to use l'Hopital's Rule. The form of l'Hopital's Rule that applies here is
If lim f(x) = 0 as x approaches a, lim g(x) = 0 as x approaches a and lim f '(x)/g'(x) exists as x approaches a then lim f(x)/g(x) = lim f '(x)/g'(x) as x approaches a.
Harley
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