Let $y = \tan ^ { 3 } x$ Then $y ^ { \prime }$ is

A) $3 \tan ^ { 2 } x$
B) $3 \tan x \sec ^ { 2 } x$
C) $3 \tan ^ { 2 } x \sec ^ { 2 } x$
D) $3 \sec ^ { 2 } x$
E) $3 \tan ^ { 2 } x \sec ^ { 4 } x$

Name: Let $y = \tan ^ { 3 } x$ Then $y ^ { \prime }$ is A) $3 \tan ^ { 2 } x$ B) $3 \tan x \sec ^ { 2 } x$ C) $3 \tan ^ { 2 } x \sec ^ { 2 } x$ D) $3 \sec ^ { 2 } x$ E) $3 \tan ^ { 2 } x \sec ^ { 4 } x$
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Question

Let $y = \tan ^ { 3 } x$ Then $y ^ { \prime }$ is

A) $3 \tan ^ { 2 } x$
B) $3 \tan x \sec ^ { 2 } x$
C) $3 \tan ^ { 2 } x \sec ^ { 2 } x$
D) $3 \sec ^ { 2 } x$
E) $3 \tan ^ { 2 } x \sec ^ { 4 } x$

Quizplus · Accepted Answer

The Answer is C

Let y=tan⁡3xy = \tan ^ { 3 } xy=tan3x Then y′y ^ { \prime }y′

Let $y = \tan ^ { 3 } x$ Then $y ^ { \prime }$