Well I was doing my calculus homework today and I got stuck one some problems. Well actually I just wanted to check if I did them right because I'm not entirely sure. Anybody care to check? :D(adsbygoogle = window.adsbygoogle || []).push({});

1) y = sin (9[x^(1/2)] + sin [x^(1/2)]

--For this problem, I just used the chain rule for each part. For my answer I got [cos(x^91/2)]/[x^(1/2)]. I wasn't sure if I could do the chain rule for both of them and just add them. Was that okay?

2) y = 4sec^2 x(tan x)

--In this problem, I used the product rule then the chain rule inside. I think I did it right but the 4 kind of threw me off. My final answer was: 4sec^2x (sec^2x + 2tan^2x).

Thanks! Anythign helps really... :D

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# Homework Help: Derrivitive problem

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