Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent.
$( \tan x + 1 ) ^ { 2 }$
A) $\tan ^ { 2 } x + 1$
B) $\sec ^ { 2 } x + 2 \tan x$
C) $\frac { 1 + 2 \sin x \cos x } { \cos ^ { 2 } x }$
D) $\tan ^ { 2 } x + 2 \tan x + 1$
E) $\sec ^ { 2 } x ( 1 + 2 \sin x \cos x )$

Question

Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent. 
 $( \tan x + 1 ) ^ { 2 }$  
A)  $\tan ^ { 2 } x + 1$
B)  $\sec ^ { 2 } x + 2 \tan x$
C)  $\frac { 1 + 2 \sin x \cos x } { \cos ^ { 2 } x }$
D)  $\tan ^ { 2 } x + 2 \tan x + 1$
E)  $\sec ^ { 2 } x ( 1 + 2 \sin x \cos x )$

Quizplus · Accepted Answer

The Answer of Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent. 
 $( \tan x + 1 ) ^ { 2 }$  
A)  $\tan ^ { 2 } x + 1$
B)  $\sec ^ { 2 } x + 2 \tan x$
C)  $\frac { 1 + 2 \sin x \cos x } { \cos ^ { 2 } x }$
D)  $\tan ^ { 2 } x + 2 \tan x + 1$
E)  $\sec ^ { 2 } x ( 1 + 2 \sin x \cos x )$

Multiply; Then Use Fundamental Identities to Simplify the Expression Below (tan⁡x+1)2( \tan x + 1 ) ^ { 2 }(tanx+1)2

Multiply; Then Use Fundamental Identities to Simplify the Expression Below $( \tan x + 1 ) ^ { 2 }$