Find the Exact Value of the Expression, If Possible $\cos \left( \cos ^ { - 1 } 0.5 \right)$

question 292

Multiple Choice

Find the exact value of the expression, if possible. Do not use a calculator.
- $\cos \left( \cos ^ { - 1 } 0.5 \right)$

• A) \(0.5\)
• B) \(2.6\)
• C) \(3.6\)
• D) \(0.9\)

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