Use a Calculator to Give the Real Number Value $$y = \cos ^ { - 1 } ( - 0.9397 )$$

question 232

Multiple Choice

Use a calculator to give the real number value. Round the answer to 7 decimal places.
- $$y = \cos ^ { - 1 } ( - 0.9397 )$$

• A) \(2.7925484\)
• B) \(2.8285740\)
• C) \(- 0.3492063\)
• D) \(2.7412723\)

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