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AP® Calculus AB-BC

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Moderate

Higher Order Derivatives: $\tan { x } $

APCALC-OZ1UXS

If $f\left( x \right) =\tan { x } $, then $f^{ \prime \prime \prime }\left( x \right) =$

A

$\sec ^{ 2 }{ x } $

B

$2\sec ^{ 2 }{ x } \tan { x } $

C

$4\sec ^{ 4 }{ x } \tan { x } $

D

$2\sec ^{ 4 }{ x } +4\sec ^{ 2 }{ x } \tan ^{ 2 }{ x } $