Calculus/Calc I


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' = sec^2 x y/2

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


All Answers

Answers by Expert:

Ask Experts


Frederick Koh


I can answer questions concerning calculus, complex numbers, vectors, statistics , algebra and trigonometry for the O level, A level and 1st/2nd year college math/engineering student.


More than 7 years of experience helping out in various homework forums. Latest Presence is over at . You can also visit my main maths website where I have designed "question locker" vaults to store tons of fully worked math problems. A second one is currently being built. Peace.

IEEE(Institute of Electrical and Electronics Engineers )

Former straight As A level student from HCJC (aka HCI); scored distinctions in both C and Further Mathematics B Eng (Hons) From The National University Of Singapore (NUS) B Sc (Hons) From University of London External (Grad Route)

©2016 All rights reserved.