What is the derivative of $tanx^3$ ?

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Answer 1 · 2015-10-11T05:55:54

The derivative is $3x^2*sec^2(x^3)$ where $secx$ is the secant function

The derivative is

$d(tanx^3)/dx=d(x^3)/dx*1/cos^2(x^3)=3x^2*(1/cos^2(x^3))=3x^2*sec^2(x^3)$

What is the derivative of tanx^3tanx^3?