Using a Sum or Difference Identity, Write the Following as an Expression

question 296

Multiple Choice

Using a sum or difference identity, write the following as an expression involving functions of x.
- $\tan ( x + \pi )$

• A) \(- \tan x\)
• B) \(\frac { \tan x - \sqrt { 3 } } { 1 + \sqrt { 3 } \tan x }\)
• C) \(\tan x\)
• D) \(\frac { 1 + \sqrt { 3 } \tan x } { \sqrt { 3 } - \tan x }\)

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