Calculus1
OpenStudy (anonymous):

how do I find the derivative of f(x)= sin[ln(cosx^3)]

6 years ago
OpenStudy (ash2326):

Use chain rule here $\frac{d}{dx} f( g(x))=f'(x)\times \frac{d}{dx} g(x)$ Could you try ?

6 years ago
OpenStudy (anonymous):

would it be cos[lncosx^3] X (-sinx^3)/(cosx^3) ?

6 years ago
OpenStudy (ash2326):

times the derivative of x^3 $\cos (\ln{\cos x^3})\times \frac{1}{\cos x^3}\times (-\sin x^3)\times \frac{d}{dx} (x^3)$ Good work btw

6 years ago
OpenStudy (anonymous):

Thanks !

6 years ago
OpenStudy (ash2326):

You're welcome :D

6 years ago
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