Derivative of Tangent Function/Corollary 3

Corollary to Derivative of Tangent Function

 * $\map {\dfrac \d {\d x} } {\tan a x} = a \paren {\tan^2 a x + 1}$

Also see

 * Derivative of $\sin a x$
 * Derivative of $\cos a x$


 * Derivative of $\cot a x$


 * Derivative of $\sec a x$
 * Derivative of $\csc a x$