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Find the limit $$ \lim_{x\to 0} \frac{\ln(\tan(\pi/4 + ax))}{\sin(bx)} $$ where b and a are two coefficients different from zero. I tried L'Hôpital,but nothing..

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    How do you mean: 'but nothing..'?2012-11-13
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    it is correct :)2012-11-13
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    by nothing I mean, the answer should be 2,and I dont get a neat solution ...2012-11-13

2 Answers 2