Find the Exact Value of the Expression, If It Is $\tan \left( \cos ^ { - 1 } ( \sqrt { 2 } / 2 ) \right]$

question 74

Multiple Choice

Find the exact value of the expression, if it is defined. $\tan \left( \cos ^ { - 1 } ( \sqrt { 2 } / 2 ) \right]$

• A)1/2
• B)-1/2
• C)45
• D)1
• E)none of these

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