Differentiate cos x³

asked Aug 6, 2021 203k views

2 votes

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3 votes

Use the chain rule.

$(\mathrm d\cos(x^3))/(\mathrm dx)=-\sin(x^3)(\mathrm dx^3)/(\mathrm dx)=-3x^2\sin(x^3)$

PJK answered Aug 12, 2021

by PJK

3.7k points

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