Find the Exact Value of the Expression, If It Is $\cos \left( \tan ^ { - 1 } ( - \sqrt { 3 } ) \right]$

question 92

Multiple Choice

Find the exact value of the expression, if it is defined. $\cos \left( \tan ^ { - 1 } ( - \sqrt { 3 } ) \right]$

• A) \(- 1 / 2\)
• B) \(\sqrt { 3 } / 3\)
• C) \(\sqrt { 3 }\)
• D) \(\sqrt { 3 } / 2\)
• E) \(1 / 2\)

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