Use a Calculator to Find the Value $\cos \left( \cos ^ { - 1 } ( - 0.9372 ) \right)$

question 4

Multiple Choice

Use a calculator to find the value. Give answers as real numbers and round to 4 decimal places, if necessary.
- $\cos \left( \cos ^ { - 1 } ( - 0.9372 ) \right)$

• A) \(0.9372\)
• B) \(- 0.9372\)
• C) \(- 0.4686\)
• D) \(0 \quad .4686\)

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Definitions:

Nitrogen Cycle

The worldwide circulation of nitrogen from the abiotic environment into living things and back into the abiotic environment.

Carbon Cycle

The worldwide circulation of carbon from the abiotic environment into living things and back into the abiotic environment.

Photosynthetic Organisms

Organisms capable of photosynthesis, a process that converts light energy into chemical energy, typically involving the production of oxygen from carbon dioxide.

Carbon Dioxide

Created both by the burning of organic matter and the act of respiration, this gas, which neither has color nor a detectable odor, is essential for plant photosynthesis.