Use a Calculator to Give the Real Number Value $$\mathrm { y } = \cos ^ { - 1 } ( - 0.3907 )$$

question 82

Multiple Choice

Use a calculator to give the real number value. Round the answer to 7 decimal places.
- $$\mathrm { y } = \cos ^ { - 1 } ( - 0.3907 )$$

• A) \(- 1.1698423\)
• B) \(2.0079383\)
• C) \(1.9206367\)
• D) \(1.9721882\)

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Definitions:

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A professional association of physicians in the United States dedicated to promoting the art and science of medicine and the betterment of public health.

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