February 19, 2017

Homework Help: calculus

Posted by Janet on Friday, March 18, 2011 at 2:25am.

Did I do this problem right?

Find the first and second derative-simplify your answer.


y'= (x)(sec^2 x)+(tanx)(1)
y'= xsec^2 x + tanx

y"= (x)(2secx)(secxtanx)+sec^2 x + sec^2 x
y"=2xsec^2 x tanx + 2 sec^2 x

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