Multiply;then Use Fundamental Identities to Simplify the Expression Below and Determine

question 49

Multiple Choice

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)​ \(\sec ^ { 2 } x ( 1 + 2 \sin x \cos x )\)

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