Yeah I missed this lesson in class because my alarm never went off. So i have plenty of question por vous. f(x) = cos^9(x^4) not a clue
Follow Math Help Forum on Facebook and Google+
Chain Rule rules here! $\displaystyle f'(x)=9\cos^8(x^4)\cdot(\cos x^4)'$ Can you take it from there?
got it! thanks!
View Tag Cloud