(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Given that f'(x)=(cosx)^ (1/3) then find out dy/dx f(ln cosx)=?

The answer given is -(cos(lncos)) ^ (1/3) tanx

Anyone can solve it? I tried and got lost with it

2. Relevant equations

Using the normal integral formula and derieve it again

3. The attempt at a solution

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# Homework Help: Normal integral formula problem

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