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

question 135

Multiple Choice

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

• A) -0.62
• B) 125.26
• C) 2.19
• D) -35.26

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