#limits questions

10 messages · Page 1 of 1 (latest)

leaden spruce
graceful ferryBOT
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modern nebula
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Hey !

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Just to be sure, sec(x) = 1/sin(x) ?

sweet apex
sweet apex
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What’s the derivative of 1/cos(x) at x=pi/4?

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For the second one write it as e^ln(…)

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then you can use Taylor expansion to evaluate the limit (basically what is the first order expansion of ln(1+x) as x approaches 0)