Derivative of Tangent Function/Corollary 1

Corollary to Derivative of Tangent Function

 * $\map {\dfrac \d {\d x} } {\tan a x} = a \sec^2 a x$

Also see

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


 * Derivative of $\cot a x$


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