Use a Calculator to Find the Value of the Expression $\cos ^ { - 1 } \left( - \frac { 1 } { 3 } \right)$

question 84

Multiple Choice

Use a calculator to find the value of the expression rounded to two decimal places.
- $\cos ^ { - 1 } \left( - \frac { 1 } { 3 } \right)$

• A) \(1.91\)
• B) \(109.47\)
• C) \(- 0.34\)
• D) \(- 19.47\)

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