Calculus/Calc I

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PAUL KLARREICH wrote at 2013-01-17 04:00:52
Try this sneaky trick: (implicit differentiation)



y =sqrt (e^tanx)



y^2 = exp(tan x)



2 ln y = tan x



2 y'

---- = sec^2 x

y



y' = sec^2 x y/2



y' = sec^2 x sqrt(exp(tan x)) / 2




Calculus

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