Use a Calculator to Find the Function Value to Four $\cos 21.1 ^ { \circ }$

question 393

Multiple Choice

Use a calculator to find the function value to four decimal places.
- $\cos 21.1 ^ { \circ }$

• A) \(0.9330\)
• B) \(0.3859\)
• C) \(0.6285\)
• D) \(0.3600\)

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Definitions:

Fats Digested

The process by which fats are broken down by enzymes and bile acids in the digestive system.

Chief Cells

Cells found in the stomach lining that secrete pepsinogen, a precursor to the digestive enzyme pepsin, crucial for protein digestion.

Gastric Glands

Glands located in the lining of the stomach that secrete gastric juice, including hydrochloric acid and digestive enzymes, aiding in digestion.

Produce HCl

Refers to the process where the parietal cells of the stomach secrete hydrochloric acid (HCl) which is essential for digestion and killing pathogens ingested with food.